Circle has released Arc Fintech Starter, an open-source toolkit that helps developers build cross-chain USDC treasury solutions with automated bridging and unified payout controls. The move targets fintechs and web3 firms looking to simplify multichain cash management.
Consensys' MetaMask has integrated native Bitcoin (BTC) support, enabling users to hold, trade and transfer BTC alongside Ethereum and other chains in a single self‑custodial wallet. The feature was announced on Dec. 17, 2025.