Block Revamps Bitcoin Ecosystem With Bitkey Wallet, Cash App Features, and Proof of Reserves

Block is significantly upgrading its Bitcoin ecosystem with several new products and features. These include the Bitkey hardware wallet, which boasts a secure touchscreen for transaction verification and security settings, aiming to give users full control over their funds and system integrity. Bitkey operates on a 2-of-3 multisignature model, eliminates the need for seed phrases, and includes inheritance and privacy features. Additionally, Cash App has introduced new bitcoin accumulation tools, such as converting peer-to-peer payments into bitcoin and a "Bitcoin Back" rewards program. Withdrawal limits have been increased, and fees on larger purchases have been removed. Block has also launched a Proof of Reserves system for its corporate treasury and customer holdings, utilizing on-chain signatures for public verification. Looking ahead, Block plans to demonstrate a Square tap-to-pay experience for bitcoin transactions using the Lightning Network, with zero processing fees for merchants through 2026.

(Source：Bitcoin Magazine)