Circle has just opened its best-known piece of blockchain plumbing to everybody else's tokens. On October 30, 2026, the company published a developer guide explaining how token issuers can use its Cross-Chain Transfer Protocol (CCTP) to move ERC-20 tokens other than USDC across blockchains. Until now, CCTP was mainly the road USDC itself travelled on. From here, it becomes a shared bridge that...
