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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., custodied at the Circle National Trust Bank. A federally chartered trust bank and qualified custodian.

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

BTC/cirBTC data as of August 2, 2026 8:00 AM.

Total supply

40.020481
cirBTC
$
2540580.13146812
USD

Total reserves

42.4682146
BTC
$
2695967.15321048
USD

BTC reserve addresses

Address
Balance

1412S6D4temBCT8jQXe6JyYRFAhjjSLRm5

0.01819484
BTC
$
1155.04481316
USD

19r9DMZDuK6h8ooq5JuypyeHz8DmarmkP1

0.0003
BTC
$
19.04459967
USD

19bnEjFSdUxTdyH55kREmu51veLyeywjBV

0.0003
BTC
$
19.04459967
USD

12TngfE76brtCJcuGYJDUaV7KP7eW2ksvB

0.0003
BTC
$
19.04459967
USD

1H6VtCB8PXdQApVQL7akcvrfbmF2vhxbbM

1.18868968
BTC
$
75460.39697747
USD

1CoEDYNKBvrHgoye1p2MwzMLYbit1g24aH

40.03005
BTC
$
2541187.59071575
USD

1HPVh49ZtF7eZSRcrjVMMme7y5nwkS5vpP

0.00888194
BTC
$
563.84330545
USD

1JkKmG26nUBcPS99TsCVsReSXvLkEai4ca

0.00000562
BTC
$
0.35676883
USD

1KVBNjpYfJvASdzeTAwqNbe9WecpKyugM3

0.00058968
BTC
$
37.43406512
USD

1HkJ6hcN4h4PtUYHiSi1hrUEUKQJmedM6z

0.00089484
BTC
$
56.80623191
USD

1FXxhAa9yKCG8WgCTrbSsdGKuC6QzN3Gq9

1.220008
BTC
$
77448.54653376
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.