Blockchains can be applied to big data in several ways:
1) Blockchains can add a new data construct to big data systems by providing features like atomicity, immutability, and provenance to data.
2) Blockchain data from cryptocurrencies like Bitcoin can be analyzed alongside other data sources to generate insights for applications in areas like trading, risk scoring, and compliance.
3) Blockchains can be used to build applications that provide data governance, compliance, legal archiving, and chain of custody for big data lakes. They can also enable attribution and licensing of digital works.
Ethereum is an open software platform based on blockchain technology that enables developers to
build and deploy decentralized applications.
Ethereum is a distributed public blockchain network.
While the Bitcoin blockchain is used to track ownership of digital currency (bitcoins), the Ethereum
blockchain focuses on running the programming code of any decentralized application.
Ether is a cryptocurrency whose blockchain is generated by the Ethereum platform. Ether can be
transferred between accounts and used to compensate participant mining nodes for computations
performed.
Ethereum is a decentralized platform that runs smart contracts and distributed applications. It provides a programmable blockchain that anyone can use. Ethereum launched in 2015 and enables peer-to-peer transactions through digital tokens called Ether. Unlike Bitcoin, Ethereum supports smart contracts and distributed applications through an Ethereum Virtual Machine. Common tools for developing on Ethereum include Solidity for writing smart contracts, Geth and Parity for running nodes, and Metamask for interacting with dApps. Tokens on Ethereum can represent various assets and functions like currencies, shares, voting rights, and access to services.
Blockchain is a distributed database that maintains a growing list of transaction records organized in blocks. Each block contains a cryptographic hash of the previous block, transaction data, and a timestamp. This creates a permanent, unalterable record of transactions that is distributed across a peer-to-peer network of nodes. Blockchain technology enables a decentralized system of recordkeeping that does not require a central authority and allows digital transactions to be validated and recorded in a transparent yet secure manner. It has applications in finance, healthcare, supply chain management, and more.
Blockchain technology is a distributed ledger platform that provides open and transparent transaction information with integrity and non-repudiation based on modern cryptography. It is also the technology behind many cryptocurrencies. This presentation will give fundamental knowledge on how blockchain works, its cryptography implementation, cryptocurrency definition and related terms and also blockchain use cases.
This document provides an overview of the Ethereum blockchain platform and smart contracts. It discusses what Ethereum is, how it works, and its key components. The document covers Ethereum wallets, transactions, tokens, and the Solidity programming language for building smart contracts. It provides information on running Ethereum nodes, clients, and testnets. The document serves as training material for a blockchain specialist program.
Blockchain is the technology that underpins cryptocurrencies like Bitcoin. It uses cryptography and a peer-to-peer network to securely record transactions in a distributed ledger called a blockchain. The blockchain grows as "blocks" of new transactions are added together in a chain, with each block timestamped and linked to the previous one. This allows transactions to be permanently recorded and verified in an open yet secure distributed manner without the need for a centralized authority. Potential applications of blockchain technology include banking, payments, voting, and more.
The document discusses the potential benefits of blockchain technology for digital transactions. It explains that blockchain relies on consensus, smart contracts, and cryptography to create a decentralized ledger system that does not require trusted third parties. This could make transactions more efficient, less costly, and more secure compared to traditional centralized ledger systems. The document also provides several examples of how blockchain is being applied to areas like financial services, trade finance, real estate transactions, and the Internet of Things through companies in Singapore. However, it notes there are still uncertainties around security, implementation costs, and privacy that could limit blockchain adoption.
Consensus algorithms are an extremely crucial part of blockchain technology. Proof of Work is a type of consensus mechanism where users use their computational devices to solve complex mathematical problems in order to verify and add blocks to the ledger system. On the other hand, in Proof of Stake users will need to stake their coins in order to participate in the verification process.
The difference between the two types of consensus protocol lies within the working mechanism of these two processes. Verification mechanism, incentive policy, vulnerability, motivation, requirement, and scalability are some of the areas where these two differ.
To help you better understand the differences between these two consensus protocols, 101 Blockchain offer an array of lucrative blockchain courses. These courses will help you comprehend the working principles of these two algorithms.
The following courses will help you learn about PoW and PoS->
Blockchain Like a Boss Masterclass
https://academy.101blockchains.com/courses/blockchain-masterclass
Getting Started with Bitcoin Technology
https://academy.101blockchains.com/courses/getting-started-with-bitcoin-technology
Learn more about the certification courses from here ->
Certified Enterprise Blockchain Professional (CEBP) course
https://academy.101blockchains.com/courses/blockchain-expert-certification
Certified Enterprise Blockchain Architect (CEBA) course
https://academy.101blockchains.com/courses/certified-enterprise-blockchain-architect
Certified Blockchain Security Expert (CBSE) course
https://academy.101blockchains.com/courses/certified-blockchain-security-expert
Learn more from our guide ->
https://101blockchains.com/pow-vs-pos-a-comparison/
This document provides an introduction to blockchain technology. It defines key blockchain concepts like blocks, blockchains, consensus algorithms, and mining. It explains how blockchain works through transactions being grouped into blocks and added to the distributed ledger across nodes in the network. Examples of real-world blockchain applications are given for voting systems, supply chain management, and healthcare data sharing. Benefits of blockchain include transparency, decentralization, and open source development, while challenges include limited production experience and need for customer education.
Understanding Proof of Work (PoW) and Proof of Stake (PoS) AlgorithmsGautam Anand
The document summarizes Proof of Stake (PoS) and compares it to Proof of Work (PoW). It discusses how PoS works by having validators stake coins to validate transactions and forge new blocks, earning transaction fees, rather than expending computing power like in PoW. PoS is more efficient and deters attacks as validators who validate fraudulent transactions lose part of their stake. While a 51% attack is theoretically possible in PoS, it would require buying a majority of the total coin supply, making it impractical. Popular blockchains that use PoS include NXT, BlackCoin and Peercoin.
This document provides an overview of Bitcoin and blockchains. It discusses what a blockchain is and provides a live online demo. It covers Bitcoin's history and evolution, addresses whether Bitcoin has any real value beyond speculation, and examines its price history. Risks of Bitcoin like scams and money laundering are outlined. Ethereum and smart contracts are introduced. Issues like the DAO hack and Bitcoin's environmental impact are also summarized. Applications of blockchain technology beyond cryptocurrency like blockchain voting are presented.
Blockchain technology allows for decentralized recording of transactions across multiple devices. It uses blockchain, which is a growing list of records known as blocks linked through cryptography. This makes the data resistant to modification. The document discusses the history and development of blockchain, how it works through distributed ledgers and blocks, key concepts like smart contracts and proof of work, different types of blockchain structures, benefits like security and transparency, examples of its use, and limitations. It concludes that blockchain can increase trust and transparency between organizations when data is shared.
Blockchain technology is gaining significant attention and investment from major banks and financial institutions. Banks are projected to invest $400 million in blockchain by 2019, and over 30% of firms surveyed have annual blockchain budgets over $5 million. Blockchain uses distributed ledger technology to securely record transactions in digitally recorded "blocks" that are linked together, allowing participants on a blockchain network to reach consensus on a single view of the truth. This consensus-based approach provides advantages over traditional centralized databases by enabling trustless verification and transparency across organizations without the need for intermediaries.
Ethereum Blockchain with Smart contract and ERC20Truong Nguyen
This document discusses blockchain technology, Ethereum, and smart contracts. It begins with an overview of blockchain and how it works using blocks, transactions, and miners to validate transactions. It then discusses Ethereum, describing it as an open blockchain platform that allows anyone to build decentralized applications and smart contracts using its Ethereum Virtual Machine. It explains what smart contracts are and how they work using code on the blockchain to automatically execute agreed upon terms. Finally, it discusses ERC20, which defines a standard for Ethereum tokens, and sidechains, which are separate blockchains attached to parent blockchains to provide enhancements like security and performance.
Murughan Palaniachari presents information on blockchain concepts. He discusses how blockchain enables a decentralized future (Web 3.0) with distributed and individual ownership of data. Blockchain uses distributed ledgers and cryptography to securely record transactions in an immutable, transparent and verifiable way without centralized control. Key concepts covered include how blockchain works, the structure of blocks and blockchains, consensus mechanisms, smart contracts, and examples of blockchain use cases.
Introduction to Blockchain and Smart ContractsTechracers
This document provides an introduction to smart contracts, which are programs that execute autonomously and securely based on the terms of an agreement. It explains that smart contracts operate on blockchains in a decentralized, immutable, trustless, and transparent manner. Examples are given of how smart contracts can send and receive money or interact with other contracts. While Bitcoin was the first to support basic smart contracts by validating transactions if certain conditions are met, Ethereum allows for more programmable and extensible smart contracts through its Ethereum Virtual Machine. Further examples are given of how smart contracts can be used for multi-signature accounts, managing insurance agreements, providing utilities to other contracts, and storing application information.
Blockchain is a decentralized and distributed ledger system. In blockchain technology, the data is stored within blocks and then linked to one another, forming a chain of blocks. Some of the key features of blockchain include – immutability, decentralized, enhanced security, consensus protocol, and faster output.
Although blockchain offers a lot of benefits for a lot of sectors, it still comes with its fair share of disadvantages. Most blockchain platforms are still not scalable enough. Some of the public blockchain platforms, such as Bitcoin or Ethereum, are not energy efficient.
Blockchain can be inefficient under certain conditions. The efficiency of blockchain technology varies from platform to platform. Implementing blockchain-based solutions from scratch is a costly investment.
If you want to invest in blockchain technology, it’s best to learn more about the technology from a reliable source. At 101 Blockchains, we offer the best of the best courses on blockchain technology to help you understand the true potential of this new tech.
You can learn more about this from here ->
Blockchain Like a Boss Masterclass
https://academy.101blockchains.com/courses/blockchain-masterclass
Ethereum Development Fundamentals
https://academy.101blockchains.com/courses/ethereum-development-fundamentals
Beginner’s Guide to Corda Development
https://academy.101blockchains.com/courses/beginners-guide-to-corda-development
Hyperledger Fabric Development Course
https://academy.101blockchains.com/courses/hyperledger-fabric-development-intermediate-level
We also offer lucrative certification courses for professionals. Learn more about these courses from here ->
Certified Enterprise Blockchain Professional (CEBP) course
https://academy.101blockchains.com/courses/blockchain-expert-certification
Certified Enterprise Blockchain Architect (CEBA) course
https://academy.101blockchains.com/courses/certified-enterprise-blockchain-architect
Certified Blockchain Security Expert (CBSE) course
https://academy.101blockchains.com/courses/certified-blockchain-security-expert
Learn more from our full guide on this topic ->
https://101blockchains.com/disadvantages-of-blockchain/
This course covers in detail the technical principles & concepts behind blockchain. In addition, it seeks to provide you with the insights and deep understanding of the various components of blockchain technology, and enables you to determine for yourself how to best leverage and exploit blockchain for your project, organisation or start-up.
Link - https://www.experfy.com/training/courses/blockchain-technology-fundamentals
Web 3.0, also known as web3, is the third generation of the internet that focuses on decentralized data interconnections. It aims to provide faster and more personalized user experiences through decentralization, user utility, and openness.
Here, we will explain the fundamentals of web 3.0 and help you learn more about the use cases, features, architecture and so on.
We also offer Certified Web 3.0 Professional (CW3P) ™ course that will help you know more about the fundamental concepts behind web 3.0.
Check out the certification course now ->
https://101blockchains.com/certification/certified-web3-professional/
The following courses will also help you learn about web 3.0 ->
NFT Fundamentals
https://101blockchains.com/course/nft-fundamentals/
Tokenization Fundamentals
https://101blockchains.com/course/tokenization-fundamentals/
Crypto Fundamentals, Trading and Investing
https://101blockchains.com/course/crypto-trading-and-investing/
Crypto Compliance Fundamentals
https://101blockchains.com/course/crypto-compliance-fundamentals/
IoT Fundamentals
https://101blockchains.com/course/iot-fundamentals/
Introduction to DeFi - Decentralized Finance
https://101blockchains.com/course/defi-course/
Metaverse Fundamentals
https://101blockchains.com/course/metaverse-fundamentals/
Check out our other certifications, courses and masterclasses ->
https://101blockchains.com/certifications/
https://101blockchains.com/courses/
https://101blockchains.com/masterclasses/
Elevate your career with our career path and skill path ->
https://101blockchains.com/career/
https://101blockchains.com/skill/
Learn more from our blog ->
https://101blockchains.com/web3-guide/
https://101blockchains.com/top-web3-features/
https://101blockchains.com/top-web3-advantages/
https://101blockchains.com/web3-risks/
https://101blockchains.com/best-web3-tools/
https://101blockchains.com/web3-careers/
https://101blockchains.com/dapps-in-web-3-0/
https://101blockchains.com/web3-certification-benefits/
Introduction to Blockchain
History of Blockchain
How Blockchain works
Blockchain platforms
Blockchain consensus/validation algorithms
Proof-of-work algorithm (PoW)
Practical byzantine fault tolerance algorithm (PBFT)
Proof-of-stake algorithm (PoS)
Delegated proof-of-stake algorithm (DPoS)
Who uses blockchain
Advantages and disadvantages of blockchain
Blockchain is a digital ledger that chronologically records transactions without privacy inclusion. Solidity is the main programming language used to write smart contracts for Ethereum blockchains. The blockchain works by broadcasting new transactions to all nodes, collecting transactions into blocks, nodes working to find proofs of work, broadcasting validated blocks, and creating the next block using the hash of the previous block. Blockchain can revolutionize transactions involving money, goods, property, and avoid fraud. It can make money transfers, property purchases, healthcare, and authenticating purchases more efficient. Blockchain types include public, private, and consortium blockchains. Advantages include transparency, security, efficiency while disadvantages include human error, slow speeds, and energy use. Applications include
This document provides an introduction to blockchain technology. It discusses the history of blockchain, which began with Bitcoin in 2009. Blockchain consists of a series of linked blocks containing transaction summaries secured using cryptography. Transactions are validated by nodes in a peer-to-peer network before being recorded in a new block added to the blockchain. Current applications include cryptocurrencies like Bitcoin, smart contracts, and distributed data storage. Advantages include security, transparency and decentralization, while disadvantages include volatility and implementation challenges. The future scope of blockchain is presented as significant for benefiting society through applications like identity management and data marketplaces.
The first phase of big data (Big Data 1.0) was all about “getting it.” The more data we had, the better the targeting, measurement and insights capabilities we could attain.
The big data ecosystem has now reached a tipping point where the basic infrastructural capabilities for supporting big data challenges and opportunities are easily available. Now we are entering what we would call the next generation of big data — big data 2.0
The document discusses big data, including the different units used to measure data size like bytes, kilobytes, megabytes, etc. It notes that big data is difficult to store and process using traditional tools due to its large size and complexity. Big data is growing rapidly in volume, velocity and variety. Some challenges in analyzing big data include its unstructured nature, size that exceeds capabilities of conventional tools, and need for real-time insights. Security, access control, data classification and performance impacts must be considered when protecting big data.
The document discusses the potential benefits of blockchain technology for digital transactions. It explains that blockchain relies on consensus, smart contracts, and cryptography to create a decentralized ledger system that does not require trusted third parties. This could make transactions more efficient, less costly, and more secure compared to traditional centralized ledger systems. The document also provides several examples of how blockchain is being applied to areas like financial services, trade finance, real estate transactions, and the Internet of Things through companies in Singapore. However, it notes there are still uncertainties around security, implementation costs, and privacy that could limit blockchain adoption.
Consensus algorithms are an extremely crucial part of blockchain technology. Proof of Work is a type of consensus mechanism where users use their computational devices to solve complex mathematical problems in order to verify and add blocks to the ledger system. On the other hand, in Proof of Stake users will need to stake their coins in order to participate in the verification process.
The difference between the two types of consensus protocol lies within the working mechanism of these two processes. Verification mechanism, incentive policy, vulnerability, motivation, requirement, and scalability are some of the areas where these two differ.
To help you better understand the differences between these two consensus protocols, 101 Blockchain offer an array of lucrative blockchain courses. These courses will help you comprehend the working principles of these two algorithms.
The following courses will help you learn about PoW and PoS->
Blockchain Like a Boss Masterclass
https://academy.101blockchains.com/courses/blockchain-masterclass
Getting Started with Bitcoin Technology
https://academy.101blockchains.com/courses/getting-started-with-bitcoin-technology
Learn more about the certification courses from here ->
Certified Enterprise Blockchain Professional (CEBP) course
https://academy.101blockchains.com/courses/blockchain-expert-certification
Certified Enterprise Blockchain Architect (CEBA) course
https://academy.101blockchains.com/courses/certified-enterprise-blockchain-architect
Certified Blockchain Security Expert (CBSE) course
https://academy.101blockchains.com/courses/certified-blockchain-security-expert
Learn more from our guide ->
https://101blockchains.com/pow-vs-pos-a-comparison/
This document provides an introduction to blockchain technology. It defines key blockchain concepts like blocks, blockchains, consensus algorithms, and mining. It explains how blockchain works through transactions being grouped into blocks and added to the distributed ledger across nodes in the network. Examples of real-world blockchain applications are given for voting systems, supply chain management, and healthcare data sharing. Benefits of blockchain include transparency, decentralization, and open source development, while challenges include limited production experience and need for customer education.
Understanding Proof of Work (PoW) and Proof of Stake (PoS) AlgorithmsGautam Anand
The document summarizes Proof of Stake (PoS) and compares it to Proof of Work (PoW). It discusses how PoS works by having validators stake coins to validate transactions and forge new blocks, earning transaction fees, rather than expending computing power like in PoW. PoS is more efficient and deters attacks as validators who validate fraudulent transactions lose part of their stake. While a 51% attack is theoretically possible in PoS, it would require buying a majority of the total coin supply, making it impractical. Popular blockchains that use PoS include NXT, BlackCoin and Peercoin.
This document provides an overview of Bitcoin and blockchains. It discusses what a blockchain is and provides a live online demo. It covers Bitcoin's history and evolution, addresses whether Bitcoin has any real value beyond speculation, and examines its price history. Risks of Bitcoin like scams and money laundering are outlined. Ethereum and smart contracts are introduced. Issues like the DAO hack and Bitcoin's environmental impact are also summarized. Applications of blockchain technology beyond cryptocurrency like blockchain voting are presented.
Blockchain technology allows for decentralized recording of transactions across multiple devices. It uses blockchain, which is a growing list of records known as blocks linked through cryptography. This makes the data resistant to modification. The document discusses the history and development of blockchain, how it works through distributed ledgers and blocks, key concepts like smart contracts and proof of work, different types of blockchain structures, benefits like security and transparency, examples of its use, and limitations. It concludes that blockchain can increase trust and transparency between organizations when data is shared.
Blockchain technology is gaining significant attention and investment from major banks and financial institutions. Banks are projected to invest $400 million in blockchain by 2019, and over 30% of firms surveyed have annual blockchain budgets over $5 million. Blockchain uses distributed ledger technology to securely record transactions in digitally recorded "blocks" that are linked together, allowing participants on a blockchain network to reach consensus on a single view of the truth. This consensus-based approach provides advantages over traditional centralized databases by enabling trustless verification and transparency across organizations without the need for intermediaries.
Ethereum Blockchain with Smart contract and ERC20Truong Nguyen
This document discusses blockchain technology, Ethereum, and smart contracts. It begins with an overview of blockchain and how it works using blocks, transactions, and miners to validate transactions. It then discusses Ethereum, describing it as an open blockchain platform that allows anyone to build decentralized applications and smart contracts using its Ethereum Virtual Machine. It explains what smart contracts are and how they work using code on the blockchain to automatically execute agreed upon terms. Finally, it discusses ERC20, which defines a standard for Ethereum tokens, and sidechains, which are separate blockchains attached to parent blockchains to provide enhancements like security and performance.
Murughan Palaniachari presents information on blockchain concepts. He discusses how blockchain enables a decentralized future (Web 3.0) with distributed and individual ownership of data. Blockchain uses distributed ledgers and cryptography to securely record transactions in an immutable, transparent and verifiable way without centralized control. Key concepts covered include how blockchain works, the structure of blocks and blockchains, consensus mechanisms, smart contracts, and examples of blockchain use cases.
Introduction to Blockchain and Smart ContractsTechracers
This document provides an introduction to smart contracts, which are programs that execute autonomously and securely based on the terms of an agreement. It explains that smart contracts operate on blockchains in a decentralized, immutable, trustless, and transparent manner. Examples are given of how smart contracts can send and receive money or interact with other contracts. While Bitcoin was the first to support basic smart contracts by validating transactions if certain conditions are met, Ethereum allows for more programmable and extensible smart contracts through its Ethereum Virtual Machine. Further examples are given of how smart contracts can be used for multi-signature accounts, managing insurance agreements, providing utilities to other contracts, and storing application information.
Blockchain is a decentralized and distributed ledger system. In blockchain technology, the data is stored within blocks and then linked to one another, forming a chain of blocks. Some of the key features of blockchain include – immutability, decentralized, enhanced security, consensus protocol, and faster output.
Although blockchain offers a lot of benefits for a lot of sectors, it still comes with its fair share of disadvantages. Most blockchain platforms are still not scalable enough. Some of the public blockchain platforms, such as Bitcoin or Ethereum, are not energy efficient.
Blockchain can be inefficient under certain conditions. The efficiency of blockchain technology varies from platform to platform. Implementing blockchain-based solutions from scratch is a costly investment.
If you want to invest in blockchain technology, it’s best to learn more about the technology from a reliable source. At 101 Blockchains, we offer the best of the best courses on blockchain technology to help you understand the true potential of this new tech.
You can learn more about this from here ->
Blockchain Like a Boss Masterclass
https://academy.101blockchains.com/courses/blockchain-masterclass
Ethereum Development Fundamentals
https://academy.101blockchains.com/courses/ethereum-development-fundamentals
Beginner’s Guide to Corda Development
https://academy.101blockchains.com/courses/beginners-guide-to-corda-development
Hyperledger Fabric Development Course
https://academy.101blockchains.com/courses/hyperledger-fabric-development-intermediate-level
We also offer lucrative certification courses for professionals. Learn more about these courses from here ->
Certified Enterprise Blockchain Professional (CEBP) course
https://academy.101blockchains.com/courses/blockchain-expert-certification
Certified Enterprise Blockchain Architect (CEBA) course
https://academy.101blockchains.com/courses/certified-enterprise-blockchain-architect
Certified Blockchain Security Expert (CBSE) course
https://academy.101blockchains.com/courses/certified-blockchain-security-expert
Learn more from our full guide on this topic ->
https://101blockchains.com/disadvantages-of-blockchain/
This course covers in detail the technical principles & concepts behind blockchain. In addition, it seeks to provide you with the insights and deep understanding of the various components of blockchain technology, and enables you to determine for yourself how to best leverage and exploit blockchain for your project, organisation or start-up.
Link - https://www.experfy.com/training/courses/blockchain-technology-fundamentals
Web 3.0, also known as web3, is the third generation of the internet that focuses on decentralized data interconnections. It aims to provide faster and more personalized user experiences through decentralization, user utility, and openness.
Here, we will explain the fundamentals of web 3.0 and help you learn more about the use cases, features, architecture and so on.
We also offer Certified Web 3.0 Professional (CW3P) ™ course that will help you know more about the fundamental concepts behind web 3.0.
Check out the certification course now ->
https://101blockchains.com/certification/certified-web3-professional/
The following courses will also help you learn about web 3.0 ->
NFT Fundamentals
https://101blockchains.com/course/nft-fundamentals/
Tokenization Fundamentals
https://101blockchains.com/course/tokenization-fundamentals/
Crypto Fundamentals, Trading and Investing
https://101blockchains.com/course/crypto-trading-and-investing/
Crypto Compliance Fundamentals
https://101blockchains.com/course/crypto-compliance-fundamentals/
IoT Fundamentals
https://101blockchains.com/course/iot-fundamentals/
Introduction to DeFi - Decentralized Finance
https://101blockchains.com/course/defi-course/
Metaverse Fundamentals
https://101blockchains.com/course/metaverse-fundamentals/
Check out our other certifications, courses and masterclasses ->
https://101blockchains.com/certifications/
https://101blockchains.com/courses/
https://101blockchains.com/masterclasses/
Elevate your career with our career path and skill path ->
https://101blockchains.com/career/
https://101blockchains.com/skill/
Learn more from our blog ->
https://101blockchains.com/web3-guide/
https://101blockchains.com/top-web3-features/
https://101blockchains.com/top-web3-advantages/
https://101blockchains.com/web3-risks/
https://101blockchains.com/best-web3-tools/
https://101blockchains.com/web3-careers/
https://101blockchains.com/dapps-in-web-3-0/
https://101blockchains.com/web3-certification-benefits/
Introduction to Blockchain
History of Blockchain
How Blockchain works
Blockchain platforms
Blockchain consensus/validation algorithms
Proof-of-work algorithm (PoW)
Practical byzantine fault tolerance algorithm (PBFT)
Proof-of-stake algorithm (PoS)
Delegated proof-of-stake algorithm (DPoS)
Who uses blockchain
Advantages and disadvantages of blockchain
Blockchain is a digital ledger that chronologically records transactions without privacy inclusion. Solidity is the main programming language used to write smart contracts for Ethereum blockchains. The blockchain works by broadcasting new transactions to all nodes, collecting transactions into blocks, nodes working to find proofs of work, broadcasting validated blocks, and creating the next block using the hash of the previous block. Blockchain can revolutionize transactions involving money, goods, property, and avoid fraud. It can make money transfers, property purchases, healthcare, and authenticating purchases more efficient. Blockchain types include public, private, and consortium blockchains. Advantages include transparency, security, efficiency while disadvantages include human error, slow speeds, and energy use. Applications include
This document provides an introduction to blockchain technology. It discusses the history of blockchain, which began with Bitcoin in 2009. Blockchain consists of a series of linked blocks containing transaction summaries secured using cryptography. Transactions are validated by nodes in a peer-to-peer network before being recorded in a new block added to the blockchain. Current applications include cryptocurrencies like Bitcoin, smart contracts, and distributed data storage. Advantages include security, transparency and decentralization, while disadvantages include volatility and implementation challenges. The future scope of blockchain is presented as significant for benefiting society through applications like identity management and data marketplaces.
The first phase of big data (Big Data 1.0) was all about “getting it.” The more data we had, the better the targeting, measurement and insights capabilities we could attain.
The big data ecosystem has now reached a tipping point where the basic infrastructural capabilities for supporting big data challenges and opportunities are easily available. Now we are entering what we would call the next generation of big data — big data 2.0
The document discusses big data, including the different units used to measure data size like bytes, kilobytes, megabytes, etc. It notes that big data is difficult to store and process using traditional tools due to its large size and complexity. Big data is growing rapidly in volume, velocity and variety. Some challenges in analyzing big data include its unstructured nature, size that exceeds capabilities of conventional tools, and need for real-time insights. Security, access control, data classification and performance impacts must be considered when protecting big data.
This document discusses big data characteristics, issues, challenges, and technologies. It describes the key characteristics of big data as volume, velocity, variety, value, and complexity. It outlines issues related to these characteristics like data volume and velocity. Challenges of big data include privacy and security, data access and sharing, analytical challenges, human resources, and technical challenges around fault tolerance, scalability, data quality, and heterogeneous data. The document also discusses technologies used for big data like Hadoop, HDFS, and cloud computing and provides examples of big data projects.
International Journal of Computational Engineering Research (IJCER) is dedicated to protecting personal information and will make every reasonable effort to handle collected information appropriately. All information collected, as well as related requests, will be handled as carefully and efficiently as possible in accordance with IJCER standards for integrity and objectivity.
Blockchain and Data Science:Enabling Data Integrity for Predictions through ...SunilKrPandey1
Blockchain is slowly transforming the way organizations have been conducting the transactions. This has also penetrated and attracting other verticals including one of the most dominating profiles of the day, data Scientists, to explore the benefits of inclusion of Blockchain in it’s operations. It is expected that there is huge potential of amalgamation of these two important technologies coming together leading to quality predictions through Data Science while maintain high degree of Data Integrity through Blockchain technology. This has potential to revolutionize the finance sector, healthcare, retail, drug discovery etc.
The following five aspects will throw more light on the impeccable combination of these two innovative technologies:
1. Data Security – The ‘Decentralization’ of blockchain makes it difficult for hackers to attack sensitive information as it will require compromising all the nodes, which is virtually impossible. Further, blockchain automatically expels any node that behaves suspiciously, making the system secure.
2. Data Integrity – Blockchain ensures data integrity with its encryption and stringent verification process. Further, it provides much-needed transparency through transaction traceability.
3. Real-time Data Analysis – While blockchain offers real-time transactions, data science provides in-depth data analysis. These two technologies can be combined to deliver real-time data analysis that can revolutionize many industries and streamline business processes.
4. Prediction Making – Data science’s capability can be utilized to analyze blockchain data to derive valuable data insights and hidden trends.
5. Data Sharing – By using a blockchain network to store the data from data studies, project teams can prevent utilizing already used data or avoid repeating data analysis that’s already been conducted earlier. The technology can help send the information securely without the need to duplicate data cleansing.
Final Thoughts
It's true that blockchain data is verified and secured using cryptography. This restricts all unauthorized changes and hacks in the system. It removes the middlemen from the system so no one can make any unauthorized changes.
However, as Epiq Global points out, this doesn't mean blockchain is failproof. If enterprise businesses utilize permissionless platforms (as is the case with Bitcoin,) any endpoints that also have vulnerabilities have the potential to be targeted by malicious threat actors. This raises the question of whether data scientists using these types of public blockchain are able to guarantee confidentiality and if the integrity of any data being ingested can be trusted or not. Further, can the computed results be relied upon?
As with the GDPR & CCPA governance, risk and compliance is still a major hurdle and concern for business.
Blockchain may well be the panacea that Data Scientists have been waiting for – but only time will tell.
1) IOT and big data focus on real-time processing which can create autonomous control to reduce cost, time, energy and resources. When trillions of devices are connected through IP addresses, they will produce huge amounts of data which is challenging to control.
2) IOT and big data have applications in smart homes, cities, transportation and industry to make human life easier with less energy, money and time. Data from IOT devices is stored in big data for analysis using techniques like heterogeneous, nonlinear, high-dimensional and distributed parallel processing.
3) Key challenges for IOT, big data and their engineers include securing and authenticating the huge amounts of data from diverse sources, dealing with unreliable data and
This document provides an analysis of big data, including its characteristics, applications, and analytics techniques used by businesses. It discusses that big data is data that is too large to be processed by traditional databases and software. It has characteristics of volume, velocity, variety, and veracity. The document outlines tools for big data like Hadoop, MongoDB, Apache Spark, and Apache Cassandra. It explains that big data analytics helps businesses gain insights from vast amounts of structured and unstructured data to improve decision making.
This document discusses various emerging technologies including Internet of Things (IoT), digital transformation, big data, data analytics, machine learning, artificial intelligence, blockchain, Ripple, LiFi, and Mitz technologies. It provides overviews and examples of each technology, noting how IoT is bringing more connected devices and creating challenges around data structures, formats, and analytics. Artificial intelligence can help with IoT data preparation, discovery, visualization, prediction, and geospatial analysis. Blockchain provides benefits for tracking connected devices and enabling secure transactions without centralized control.
Data Mining in the World of BIG Data-A SurveyEditor IJCATR
Rapid development and popularization of internet and technological advancement introduced massive amount
of data and still increasing continuously and daily. A very large amount of data generated, collected, stored, transferred by
applications such as sensors, smart mobile devices, cloud systems and social networks put us on the era of BIG data, a data
with huge size, complex and unstructured data types from many origins. So converting these BIG data into useful information
is essential, the technique for discovering hidden interesting patterns and knowledge insights into BIG data introduced
as BIG data mining. BIG data have rises so many problems and challenges related with handling, storing, managing,
transferring, analyzing and mining but it has provides new directions and wide range of opportunities for research
and information extraction and future of some technologies such as data mining in the terms of BIG data mining. In this
paper, we present the concept of BIG data and BIG data mining and mentioned problems with BIG data mining and listed
new research directions for BIG data mining and problems with traditional data mining techniques while dealing with
BIG data as well as we have also discuss some comparison between traditional data mining algorithms and some big data
mining algorithms that will be useful for new BIG data mining technology future.
For more discussions and topics around SP Mobility, please visit our Mobility Community: http://cisco.com/go/mobilitycommunity
The document acknowledges and thanks several people who helped with the completion of a seminar report. It expresses gratitude to the seminar guide for being supportive and compassionate during the preparation of the report. It also thanks friends who contributed to the preparation and refinement of the seminar. Finally, it acknowledges profound gratitude to the Almighty for making the completion of the report possible with their blessings.
This document discusses big data, including what it is, its characteristics, advantages, and challenges. Big data refers to extremely large data sets that cannot be processed with traditional data processing tools. It is characterized by its volume, variety, velocity, variability, and veracity. Big data has advantages in fields like predicting diseases and improving transportation safety. However, challenges include storing large amounts of data from various sources and processing it quickly. The document outlines tools used for big data like Hadoop and MongoDB and concludes that big data plays a vital role in today's world.
Big data refers to large data sets that are too large or complex for traditional data processing systems. It is characterized by high volume, velocity, and variety. Common challenges with big data include analysis, storage, search, sharing, transfer, and privacy. Traditional systems are inadequate for big data, which requires massively parallel software running on many servers. Architectures for handling big data include distributed file systems, MapReduce frameworks like Hadoop, and data lake systems.
Big data offers opportunities but also security and privacy issues due to its large volume, velocity, and variety. Some key security issues include insecure computation, lack of input validation and filtering, and privacy concerns in data mining and analytics. Recommendations to enhance big data security include securing computation code, implementing comprehensive input validation and filtering, granular access controls, and securing data storage and computation. Case studies on security issues include vulnerability to fake data generation, challenges with Amazon's data lakes, possibility of sensitive information mining, and the rapid evolution of NoSQL databases lacking security focus.
Big data PPT prepared by Hritika Raj (Shivalik college of engg.)Hritika Raj
This document provides an overview of big data, including its definition, characteristics, sources, tools used, applications, risks and benefits. Big data is characterized by volume, velocity and variety of structured and unstructured data that is growing exponentially. It is generated from sources like mobile devices, sensors, social media and more. Tools like Hadoop, MapReduce and data analytics are used to extract value from big data. Potential applications include healthcare, security, manufacturing and more. Risks include privacy and scale, while benefits include improved decision making and new business opportunities. The big data industry is rapidly growing and transforming IT and business.
This document provides an overview of big data, including its definition, size and growth, characteristics, analytics uses and challenges. It discusses operational vs analytical big data systems and technologies like NoSQL databases, Hadoop and MapReduce. Considerations for selecting big data technologies include whether they support online vs offline use cases, licensing models, community support, developer appeal, and enabling agility.
This document discusses big data, including its characteristics of volume, velocity, and variety. It outlines challenges of big data such as privacy and security issues, analytical challenges, and technical challenges of storage, transfer, and processing large datasets. Advantages are presented like understanding customers and optimizing processes. The conclusion emphasizes that addressing challenges is key to realizing value from big data through talent, teams, and analytic-based decisions.
Big data is a large and complex collection of data that is difficult to process using traditional data management tools. It is characterized by its volume, variety, velocity, and variability. Examples of big data sources include social media data, sensor data from jet engines, stock exchange data, and more. Big data can be structured, unstructured, or semi-structured. Analyzing big data provides advantages like improved customer service, risk identification, and operational efficiency. However, big data also poses challenges around rapid data growth, storage, data security, and unreliable data.
This document discusses big data, including its characteristics of volume, velocity, and variety. It outlines issues related to big data such as storage and processing challenges due to the massive size of datasets. Privacy, security, and access are also concerns. Advantages include better understanding of customers, business optimization, improved science and healthcare. Effectively addressing the technical and analytical challenges will help realize big data's value.
An improvement in the safety of big data using blockchain technologyBOHRInternationalJou1
The development of big data in the information technology sector has made data management and analysis far
more challenging. It is necessary to take into account everything, including volume, variety, speed, value, and
complexity. Clustering makes the processing of vast volumes of data simpler. This is especially helpful when
working with unstructured data. By the usage of cloud computing, which makes use of the internet as its delivery
channel, it is possible to provide a variety of computer services, including servers, storage, databases, and
networking, in addition to analytics and intelligence, at a lower cost. The main problem is the security of such
big amounts of data. One way to enforce strong security is blockchain technology which is also the backbone of
cryptocurrency. The distributed, incontrovertible, and publicly verifiable record of every transaction activity that may
be provided by blockchain technology has the potential to revolutionize security in a big way for different industries.
Important JavaScript Concepts Every Developer Must Knowyashikanigam1
Mastering JavaScript requires a deep understanding of key concepts like closures, hoisting, promises, async/await, event loop, and prototypal inheritance. These fundamentals are crucial for both frontend and backend development, especially when working with frameworks like React or Node.js. At TutorT Academy, we cover these topics in our live courses for professionals, ensuring hands-on learning through real-world projects. If you're looking to strengthen your programming foundation, our best online professional certificates in full-stack development and system design will help you apply JavaScript concepts effectively and confidently in interviews or production-level applications.
For our eighth webinar, we explored what crime statistics are and how we measure them. We also answered some complex questions on crime statistics, like whether crime is going up or down, or whether there is a 'best' measure to understand trends in overall crime.
Ann Naser Nabil- Data Scientist Portfolio.pdfআন্ নাসের নাবিল
I am a data scientist with a strong foundation in economics and a deep passion for AI-driven problem-solving. My academic journey includes a B.Sc. in Economics from Jahangirnagar University and a year of Physics study at Shahjalal University of Science and Technology, providing me with a solid interdisciplinary background and a sharp analytical mindset.
I have practical experience in developing and deploying machine learning and deep learning models across a range of real-world applications. Key projects include:
AI-Powered Disease Prediction & Drug Recommendation System – Deployed on Render, delivering real-time health insights through predictive analytics.
Mood-Based Movie Recommendation Engine – Uses genre preferences, sentiment, and user behavior to generate personalized film suggestions.
Medical Image Segmentation with GANs (Ongoing) – Developing generative adversarial models for cancer and tumor detection in radiology.
In addition, I have developed three Python packages focused on:
Data Visualization
Preprocessing Pipelines
Automated Benchmarking of Machine Learning Models
My technical toolkit includes Python, NumPy, Pandas, Scikit-learn, TensorFlow, Keras, Matplotlib, and Seaborn. I am also proficient in feature engineering, model optimization, and storytelling with data.
Beyond data science, my background as a freelance writer for Earki and Prothom Alo has refined my ability to communicate complex technical ideas to diverse audiences.
Wil van der Aalst gave the closing keynote at camp. He started with giving an overview of the progress that has been made in the process mining field over the past 20 years. Process mining unlocks great potential but also comes with a huge responsibility. Responsible data science focuses on positive technological breakthroughs and aims to prevent “pollution” by “bad data science”.
Wil gave us a sneak peek at current responsible process mining research from the area of ‘fairness’ (how to draw conclusions from data that are fair without sacrificing accuracy too much) and ‘confidentiality’ (how to analyze data without revealing secrets). While research can provide some solutions by developing new techniques, understanding these risks is a responsibility of the process miner.
Euroclear has been using process mining in their audit projects for several years. Xhentilo shows us what this looks like step-by-step. He starts with a checklist for the applicability of process mining in the Business Understanding phase. He then goes through the Fieldwork, Clearance, and Reporting phases based on a concrete example.
In each phase, Xhentilo examines the challenges and opportunities that process mining brings compared to the classical audit approach. For example, traditionally, the analysis in the Fieldwork phase is based on samples and interviews. In contrast, auditors can use process mining to test the entire data population. In the Clearance phase, process mining changes the relationship with the auditee due to fact-based observations.
Description:
This presentation explores various types of storage devices and explains how data is stored and retrieved in audio and visual formats. It covers the classification of storage devices, their roles in data handling, and the basic mechanisms involved in storing multimedia content. The slides are designed for educational use, making them valuable for students, teachers, and beginners in the field of computer science and digital media.
About the Author & Designer
Noor Zulfiqar is a professional scientific writer, researcher, and certified presentation designer with expertise in natural sciences, and other interdisciplinary fields. She is known for creating high-quality academic content and visually engaging presentations tailored for researchers, students, and professionals worldwide. With an excellent academic record, she has authored multiple research publications in reputed international journals and is a member of the American Chemical Society (ACS). Noor is also a certified peer reviewer, recognized for her insightful evaluations of scientific manuscripts across diverse disciplines. Her work reflects a commitment to academic excellence, innovation, and clarity whether through research articles or visually impactful presentations.
For collaborations or custom-designed presentations, contact:
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Today's children are growing up in a rapidly evolving digital world, where digital media play an important role in their daily lives. Digital services offer opportunities for learning, entertainment, accessing information, discovering new things, and connecting with other peers and community members. However, they also pose risks, including problematic or excessive use of digital media, exposure to inappropriate content, harmful conducts, and other online safety concerns.
In the context of the International Day of Families on 15 May 2025, the OECD is launching its report How’s Life for Children in the Digital Age? which provides an overview of the current state of children's lives in the digital environment across OECD countries, based on the available cross-national data. It explores the challenges of ensuring that children are both protected and empowered to use digital media in a beneficial way while managing potential risks. The report highlights the need for a whole-of-society, multi-sectoral policy approach, engaging digital service providers, health professionals, educators, experts, parents, and children to protect, empower, and support children, while also addressing offline vulnerabilities, with the ultimate aim of enhancing their well-being and future outcomes. Additionally, it calls for strengthening countries’ capacities to assess the impact of digital media on children's lives and to monitor rapidly evolving challenges.
TYPES OF SOFTWARE_ A Visual Guide.pdf CA SUVIDHA CHAPLOTCA Suvidha Chaplot
This infographic presentation by CA Suvidha Chaplot breaks down the core building blocks of computer systems—hardware, software, and their modern advancements—through vibrant visuals and structured layouts.
Designed for students, educators, and IT beginners, this visual guide explains everything from the CPU to cloud computing, from operating systems to AI innovations.
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Major hardware components: CPU, memory, storage, input/output
Types of computer systems: PCs, workstations, servers, supercomputers
System vs application software with examples
Software Development Life Cycle (SDLC) explained
Programming languages: High-level vs low-level
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Emerging hardware trends: Cloud, Edge, Quantum Computing
Software innovations: AI, Machine Learning, Automation
Perfect for quick revision, classroom teaching, and foundational learning of IT concepts!
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DATA ANALYST and Techniques in Kochi Explore cutting-edge analytical skills ...aacj102006
The Data Analytics course in Kochi offers comprehensive training in data collection, processing, visualization, and interpretation using tools like Python, R, Excel, SQL, and Power BI. Designed for beginners and professionals, the course covers key concepts such as statistical analysis, machine learning, and data-driven decision-making. With hands-on projects and real-world case studies, learners gain practical experience to meet industry demands. Institutes in Kochi provide flexible schedules, expert faculty, and placement support, making it an ideal location to kickstart or advance a data analytics career. This course is perfect for those looking to enter the data-driven job market with confidence.
2. Big Data In Blockchain
We all must have to understand both the technologies are dealing with data. Blockchain is in terms
of ensuring the data storage, privacy and hence to increase the data integrity, where as the big data
deals with data in terms of ensuring the data quantity, variety ,velocity in order to bring better
predictions.
So simply we can say like this,
1. Big Data Ensures Data Quantity
2. Blockchain Ensures the Data Quality
Quantity and Quality are very important when the handling of data is large hence risky. So, the only
place where these two technologies can meet each other is, if there is a need of ensuring both data
quality and data quantity.
3. Big Data Challenges and How Blockchain Could Resolve
the Challenges ?
Inorder to understand the impact of blockchain in big data, We just have to understand
the challenges of big data. Just like every other industry, big data is also facing some
technical challenges and looking for a better solution that could pave the way for it. Big
data is already in the top of the superior level technologies list, so in order to enhance
such technology and driving it in a smooth manner, there must be a another superior
level technology. So, while finding a way to resolve the challenges in big data industry
there is no way, only blockchain has found to be the pain killer for the risks in data
science.
4. Big Data Challenges
Security Challenge
Data’s are highly insecure when they stored in a centralized server,so there is a big
chance for data hacks to occur while we handing large amount of data in central cloud
servers.
Handling The Quantity
The word big data is enough to explain this, as day passes, the floating of data attains
an exponential growth everywhere. This becomes the risk for enterprises to handle data
in one single or in multiple servers.
Identifying the Malicious Data
As the data’s are in heavy in volume, it is very time consumptive to segmentize the
dirty data and filter out the real data. This is like finding a black paper in a dark room.
5. Big Data Challenges
Understanding The Type of Data
Big data is a collection of structured and unstructured data. In just 10 years we have
gone through a massive digital growth. People are using smart devices, website and
applications, hence this results in inefficiency of identifying what kind of data is, and
segmenting it into a certain data panel.
Cost Management
Businesses have to invest a separate amount in order to setup a data warehouse and
proceed data acquisition, ETL, data validation, data modeling, data visualization and
etc. Whenever the data floating increases it increases the cost of data Management.
6. Big Data Challenges
Innovation of New kind Of Data analytics Tools and Softwares
As data’s are getting varied in volume,velocity, and variety, big data scientist have to
adopt with a big data tool that could be apt for handing a certain kind of data sets.
Check out the top 20 big data tools 2019.
Meeting the Time frame
Data have to be handled on time, because every second the world is generating billions
of data in terabytes. So if we missed out a milli second the data will be dumped in to
existing data sets. According to big data analytics it is a very risky from the beginning,
data analyst have to analyze data on time to bring better predictions.
7. Blockchain Use Cases In Big Data
Blockchain generated big data, which is secured, and can’t be hacked as it is tightened
with network architecture. Blockchain based big data, is become more valuable as it
can easily differentiate structured and unstructured data.
1. Blockchain ensures Data integrity and hence trust
2. Ensures data security
3. Increases Computational power in predictive analytics
4. Real Time Data Analysis Become possible
5. Provides access to data sharing
8. Real life example of Big data with
Blockchain
● Storj
● Filecoin
● Omnilytics
● Datum
● Rublix
● Provenance
9. Blockchain in Big Data : Future Statistics
According to infoworld, The worth of blockchain ledger could be nearly 20% of
toal big data market in 2030, and will cultivate a massive $100 billion as
annual revenue.
Refer : infoworld