Circle Wrapped Bitcoin is here

Circle Wrapped Bitcoin (cirBTC) unlocks utility for institutional markets. Backed 1:1 by BTC that is readily verifiable onchain, cirBTC is live on Ethereum and integrates seamlessly into Circle’s established infrastructure and the wider DeFi ecosystem.

Why Circle Wrapped BTC?

cirBTC is designed to provide institutions with a highly secure and neutral version of wrapped BTC.

Secure and transparent

Every cirBTC is 1:1 backed by native BTC. Reserves are readily and independently verifiable onchain.

Proven credibility

From issuing an asset, to making it liquid, trusted, and usable globally, cirBTC is designed with the same foundations as USDC and EURC.

Full-stack flexibility

cirBTC integrates seamlessly with USDC and Circle Mint to offer a single Circle-native end-to-end stack.

WHAT SETS cirBTC APART

Institutional peace of mind with cirBTC

Institutional-grade global standard

Designed for eligible institutional participants, including OTC desks, market makers, and DeFi protocols.

Verifiable

Reserves can be independently verified onchain in real time by any counterparty.

Interoperable infrastructure

Multichain cirBTC will support crosschain usage. Launching next on Arc, cirBTC is architected for a multichain future.

Institutional-grade BTC collateral

cirBTC is the new wrapped BTC standard

Read the whitepaper

Reserves composition

See how BTC reserves are allocated, monitor token supply by network, and view top cirBTC holders by address. As of June 8, 2026 8:00 PM.

Total supply

0.020362

cirBTC

1255.19065702

USD

Total reserves

1.22104652

BTC

75269.92356787

USD

Supply by network

Supply

Ethereum

Supply

0.0097205

cirBTC

BTC reserve addresses

Address

Balance

1KVBNjpYfJvASdzeTAwqNbe9WecpKyugM3

0.00058968

BTC

36.35010444

USD

1HkJ6hcN4h4PtUYHiSi1hrUEUKQJmedM6z

0.00089484

BTC

55.16132048

USD

1FXxhAa9yKCG8WgCTrbSsdGKuC6QzN3Gq9

1.219562

BTC

75178.41214296

USD

cirBTC is issued by Circle International Bermuda Limited, a Class F Digital Asset Business licensed and regulated by the Bermuda Monetary Authority. Circle Mint and related distribution services are provided by Circle Internet Financial, LLC, NMLS # 1201441.