Calle BTC

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CalleBTC is a theoretical physicist and open-source Bitcoin developer, known for his contributions to privacy-enhancing technologies in Bitcoin. He is the creator and maintainer of Cashu, a Chaumian ecash protocol that integrates Bitcoin and the Lightning Network to improve transaction privacy and fungibility. His work focuses on developing financial tools that enhance user sovereignty while maintaining decentralization. Beyond Cashu, CalleBTC has contributed to various Bitcoin-related projects, including Nutshell, a Chaumian ecash wallet and mint, and randombtc, a library that generates random numbers using the Bitcoin blockchain. He actively shares knowledge through GitHub, research papers, and Bitcoin conferences like BTC Prague