Block, the Bitcoin financial and payment company founded by Jack Dorsey, has officially launched the modular Bitcoin miner Proto Rig along with the open-source management software Proto Fleet. Announced on August 14, this initiative is designed to improve mining efficiency, lower maintenance costs, and support the democratization and decentralization of Bitcoin mining. The Proto Rig's modular design allows for easier upgrades and repairs, while Proto Fleet provides a free, open-source solution for managing mining operations.