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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.

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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 28, 2026 8:00 AM.

Total supply

40.02650077
cirBTC
$
3115274.09921921
USD

Total reserves

42.5134162
BTC
$
3308831.44440274
USD

BTC reserve addresses

Address
Balance

135W4puZiS4bDsiWkZtB6q962G9wSAoUX1

0.0179471
BTC
$
1396.82796923
USD

1GFM3nLn1zJV8jE1tXsbC3xByqN1dzDstB

0.00035074
BTC
$
27.29819536
USD

175Xmcb3wGvVG7vdbR3iMSX9iJmfVaS5E8

0.0004871
BTC
$
37.91113349
USD

1BAAtCSb9Y6mrfKus5XpspN7LkwDvw42n

0.01808226
BTC
$
1407.34751102
USD

1412S6D4temBCT8jQXe6JyYRFAhjjSLRm5

0.01819484
BTC
$
1416.10964489
USD

19r9DMZDuK6h8ooq5JuypyeHz8DmarmkP1

0.000503
BTC
$
39.14863507
USD

19bnEjFSdUxTdyH55kREmu51veLyeywjBV

0.000503
BTC
$
39.14863507
USD

12TngfE76brtCJcuGYJDUaV7KP7eW2ksvB

0.000503
BTC
$
39.14863507
USD

1H6VtCB8PXdQApVQL7akcvrfbmF2vhxbbM

1.18868968
BTC
$
92516.06063173
USD

1CoEDYNKBvrHgoye1p2MwzMLYbit1g24aH

40.03005
BTC
$
3115550.33681377
USD

1HPVh49ZtF7eZSRcrjVMMme7y5nwkS5vpP

0.00888194
BTC
$
691.2839519
USD

1JkKmG26nUBcPS99TsCVsReSXvLkEai4ca

0.00000562
BTC
$
0.43740622
USD

1KVBNjpYfJvASdzeTAwqNbe9WecpKyugM3

0.00058968
BTC
$
45.89496447
USD

1HkJ6hcN4h4PtUYHiSi1hrUEUKQJmedM6z

0.00089484
BTC
$
69.64565529
USD

1FXxhAa9yKCG8WgCTrbSsdGKuC6QzN3Gq9

1.2277334
BTC
$
95554.84462017
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.