Block Unveils Open-Source Bitcoin Mining Chip, Proto: Expanding Decentralization in 2025

Block Inc. has announced plans to launch its open-source Bitcoin mining chip, Proto, in late 2025. This move marks a significant entry into the hardware manufacturing side of Bitcoin mining and signals a commitment to decentralized approaches within the industry. The company’s focus on US production aims to mitigate geopolitical risks and strengthen supply chain resilience. Block CEO Jack Dorsey highlights this strategy as a key factor in the potential for significant revenue growth in the Bitcoin hardware market, estimated at $3-6 billion annually.