Circle added its Bitcoin-backed token, cirBTC, to Gateway on Oct. 23, letting holders use one deposited steadiness throughout the Ethereum and Arc blockchains. Gateway treats deposits throughout supported networks as a single spendable steadiness per asset, lowering the necessity to maintain funds prepared on each chains, in line with Circle’s announcement.
The growth additionally provides the EURC stablecoin alongside USDC. Circle’s asset-specific documentation lists cirBTC on Ethereum and Arc mainnet. EURC is supported on these networks plus Avalanche, Base, Solana and World Chain.
Gateway retains a separate steadiness for every asset. A cirBTC switch burns the token on the supply community and mints cirBTC on the vacation spot; it neither converts the steadiness into USDC nor transfers native Bitcoin. For an alternate or pockets serving each chains, Circle says the shared stock will be deployed the place a withdrawal or cost must land.
Quick entry follows deposit finality
Circle advertises cross-chain entry in beneath 500 milliseconds as soon as the deposit has finalized and the steadiness is established. That estimate excludes the preliminary funding wait and isn’t assured. Its affirmation desk lists a median of roughly 13 to 19 minutes for an Ethereum deposit earlier than Gateway updates the steadiness or points an attestation.
A separate seven-day withdrawal possibility lets holders reclaim funds immediately from the Gateway Pockets contract with out counting on Circle’s API. Circle’s asset documentation explicitly extends that withdrawal delay to cirBTC. It’s a fallback exit, slightly than the extraordinary switch time between Ethereum and Arc.
yourcryptonewstoday’s August 2025 Gateway report additionally describes API-independent restoration after seven days.
Circle says cirBTC is backed one-for-one by native Bitcoin held at a regulated entity in its company group, with the BTC segregated from company property for holders.
Gateway integration is described as permissionless, with no sign-up required. Entry to cirBTC by way of Circle Mint, nevertheless, is obtainable to certified companies. Withdrawing cirBTC from Gateway leaves the holder with the token; redeeming it for native Bitcoin makes use of a separate Mint course of by which Circle burns cirBTC and releases BTC to a Bitcoin deal with.
Prices additionally rely upon the operation. Circle’s announcement says Gateway charges for cirBTC and EURC are waived on Arc at launch and quotes a one-basis-point charge exterior Arc. These charges usually are not an all-in switch value: Circle’s charge documentation lists gasoline and elective forwarding expenses too. cirBTC switch prices are paid in cirBTC.
