Tristar Gold is developing the Castelo de Sonhos project in Brazil, with a resource estimate of 1.8 million ounces of indicated gold and a pre-feasibility study indicating strong economics, including a 33% IRR at $1,550 gold and $399 million NPV. The project has received significant investments from Royal Gold and Auramet and is noted for its straightforward mining process and high gold recovery rate. The company is focused on advancing the project while managing various risks associated with gold prices, regulatory requirements, and operational challenges.