ChainCatcher news, Circle announced the launch of a new v2.2 upgrade for USDC and EURC, which reduces gas costs, improves support for account abstraction, and enhances the security of the EVM blockchain. The upgrade is fully backwards compatible, does not introduce any breaking changes to existing integrations, and requires no action from developers or users. All code changes are audited by Halborn, a leading third-party blockchain security company.