- Circle launched cirBTC, a wrapped Bitcoin token backed 1:1 by native BTC for institutional DeFi use.
- cirBTC is live on Ethereum first, with Arc blockchain and Circle Mint integration, designed for multichain future.
- cirBTC extends Circle beyond stablecoins into Bitcoin infrastructure, competing with BitGo and other wrapped BTC products.
Circle has officially launched its highly anticipated tokenized asset, cirBTC, to completely transform the institutional decentralized financial landscape.
This special wrapped Bitcoin token is backed by native BTC at a 1-1 ratio to ensure maximum collateral security.
Deepening Multichain Liquidity via Circle Infrastructure
Initially, the innovative token is live on the Ethereum blockchain to capture immediate smart contract volume.
The ecosystem also incorporates the high-performance Arc blockchain to facilitate institutional redemptions and issuance, as well as Circle Mint.
cirBTC is live on @ethereum.
Circle helped establish the institutional standard for dollar collateral with USDC.
Now cirBTC brings that same approach to Bitcoin, bringing 1:1 BTC-backed collateral to institutional DeFi markets with neutrality, transparency, and Circle…
— Circle (@circle) June 8, 2026
Bitcoin provides security and liquidity but lacks the smart contract capability seen on Ethereum.
This constraint frequently stops investors from efficiently using their Bitcoin across DeFi platforms.
Circle introduced cirBTC to address this issue.
The new asset includes Bitcoin-backed collateral, which institutions can utilise in decentralised applications.
Every cirBTC token has full Bitcoin backing, linking Bitcoin ownership to DeFi participation.
This structure enables investors to maintain Bitcoin exposure while also accessing lending, borrowing, and liquidity options.
Onchain Transparency Redefines Circle Reserves
Unlike traditional alternatives, this asset offers real-time, independently verifiable proof of reserves directly on the blockchain
This removes the necessity for monthly attestations from third parties or opaque, centralized custodians altogether.
The underlying native Bitcoin balances can be audited on-the-spot by users using transparent smart contracts via Chainlink Proof of Reserve.
This level of radical transparency effectively removes counterparty risk that has historically plagued the wrapped-asset market.
Moreover, capital allocators can do with confidence invest in such assets, in complex automated yield generating protocols.
Consequently, the market is supplied with a product that is so secure, that it is based on trust and is absolutely mathematically verified.
Risk management teams can now monitor the continuous collateralization status of their positions without any informational delay.
This live feed prevents liquidation or shortfall of collaterals because its monitoring systems are proactively automated.
Strategic Expansion Past Stablecoins
Most importantly, this launch is the next step in the fundamental operating model of Circle that goes beyond its dominant fiat stablecoin products.
Now, the company directly competes with market stalwarts such as BitGo and Coinbase for the creation of basic Bitcoin infrastructure.
Ultimately, this strategic move diversifies the product suite and solidifies the company’s influence in decentralized markets.
The firm’s move puts it on the map as a leading institutional tokenization gateway, securing a piece of the Bitcoin market.
In the meantime, the digital asset sector has a much more secure connection between the native proof-of-work assets and programmable networks.
Overall, this is a significant step towards the mainstream adoption of institutional cryptocurrencies globally.
Overall, this asset’s release is a significant milestone in the evolution of the decentralized finance (DeFi) institutional landscape.
It works well to bridge the gap between the vast amount of passive capital and the most productive and programmable smart contract applications.
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