# cbBTC

*Coinbase wrapped BTC, bridged to Tempo via Chainlink CCIP.*

cbBTC is Coinbase-issued wrapped bitcoin, backed 1:1 by BTC in Coinbase custody and bridged onto Tempo via Chainlink CCIP, where it has been live since May 2026. On Tempo it serves as BTC liquidity and collateral for DeFi rather than as a payment stablecoin or gas token.

## At a glance

- **Type:** stablecoin
- **Category:** stablecoins
- **Status:** mainnet

## Key facts

- **Issuer:** Coinbase. cbBTC is "Coinbase Wrapped BTC," Coinbase's tokenized representation of bitcoin. _(confidence 60%)_
- **Asset type & backing:** Wrapped/tokenized bitcoin — not a fiat-pegged stablecoin. Backed 1:1 by BTC held in Coinbase custody, redeemable/unwrappable for the underlying BTC, so its price tracks bitcoin. _(confidence 60%)_
- **Bridge to Tempo:** Brought to Tempo as a bridged asset via Chainlink CCIP rather than minted natively on the chain. _(confidence 92%)_
- **Bridge security model:** Each Chainlink CCIP lane is secured by at least 16 independent, security-reviewed node operators, with native rate limits acting as circuit breakers. _(confidence 90%)_
- **Status on Tempo:** Live on Tempo since May 2026 (May 15 per Tempo's announcement), integrated via Chainlink CCIP. _(confidence 94%)_
- **Role on Tempo:** Provides bitcoin liquidity and collateral for Tempo DeFi — lending, earn, BTC-backed credit, and trading. _(confidence 88%)_
- **Other chains:** In addition to Tempo, cbBTC is deployed on Ethereum, Base, and Solana; Arbitrum is also reported by two of the three analysts. _(confidence 60%)_
- **Not a gas token:** cbBTC is not used to pay Tempo transaction fees; gas on Tempo is paid in USD-denominated stablecoins. _(confidence 90%)_

## Related entities

- [Chainlink](https://tempo.dataos.so/entity/chainlink) — powered by
- [Tempo](https://tempo.dataos.so/entity/tempo) — builds on

## Sources

1. [https://www.coinbase.com/cbbtc](https://www.coinbase.com/cbbtc)
2. [https://tempo.xyz/blog/cbbtc-on-tempo](https://tempo.xyz/blog/cbbtc-on-tempo)
3. [https://docs.tempo.xyz/protocol/fees](https://docs.tempo.xyz/protocol/fees)

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Last reviewed: 7 Jun 2025  
Canonical: https://tempo.dataos.so/entity/cbbtc  
Source: tempowiki (https://tempo.dataos.so) — an independent, sourced reference for the Tempo ecosystem. Not affiliated with Tempo, Stripe, or Paradigm.