Block

Cash App is expanding its digital asset reach through MoonPay, giving eligible U.S. users access to tokens beyond bitcoin and USDC. The move opens purchases of assets including ether, solana, XRP and USDT while allowing users to fund popular crypto wallets with Cash App balances.

More than three dozen bitcoin and crypto companies are pressing major AI labs to provide early access to powerful models for open-source security work. The firms argue that safety filters and closed trusted-partner programs are slowing defenders while attackers face fewer limits.

More than 1,000 bitcoin was drained from 1,196 Coldcard wallets in a 41-minute window on July 30 after weak seed generation made private keys computationally searchable. Security researchers warn the episode challenges a core assumption of cold storage: that offline keys are not just unreachable, but effectively unguessable.

Core Scientific has signed a long-term AI infrastructure partnership with AMD that could reshape its revenue base as bitcoin mining becomes a smaller part of the business. The agreement follows the end of a Block mining-chip purchase deal and comes as Core Scientific expands contracted colocation capacity.

Nine major crypto firms have formed the Bitcoin Security Consortium, pledging a combined $15 million over three years for Bitcoin security research and open-source development. The initiative will support work on post-quantum defenses while avoiding any role in Bitcoin governance or protocol decisions.