[Nine Institutions Establish Bitcoin Security Alliance, Pledge $15 Million Over Three Years] Anchorage Digital, ARK Invest, BlackRock, Block, Blockstream, Coinbase, Fidelity Digital Assets, Galaxy, and Strategy jointly established the Bitcoin Security Alliance on July 23, 2026. Each member has pledged a total of $15 million over three years to support Bitcoin network security research, with a focus on post-quantum cryptography development. The alliance's daily operations will be coordinated by Mike Schmidt, and regular Bitcoin security status reports will be published.