Circle Gateway Adds cirBTC and EURC Unified Balance Support

Circle said on Oct. 23, 2026, that its Gateway infrastructure now supports Circle Wrapped Bitcoin (cirBTC) and EURC alongside USDC, expanding unified crosschain balances to more Circle-issued assets. The change is intended to let developers and businesses deploy liquidity where it is needed without keeping separate inventory on each network. In the company’s announcement, Circle said users can hold one unified balance per asset across cirBTC, EURC and USDC, with crosschain access available in under 500 milliseconds after deposit finalization. The company framed the update as an extension of Circle Interop, which already uses Gateway’s crosschain messaging for asset transfers and liquidity coordination. Circle said the new support covers cirBTC on Arc and Ethereum, and EURC on Arc, Avalanche, Base, Ethereum, Solana and World Chain.

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