cbBTC: Coinbase-Custodied Bitcoin Across 5 Chains
Coinbase Wrapped BTC (cbBTC) puts native Bitcoin into smart-contract environments through a centrally-custodied 1:1 wrapper. Launched by Coinbase in September 2024, the token now circulates across Ethereum, Base, Arbitrum, Solana, and Monad as a $5,242,673,555 asset with 86,808.77 cbBTC outstanding. This page is the asset-lifecycle reference: how cbBTC is issued, why the same wrapper looks different on each chain, where it actually gets used in DeFi, and which compliance risks holders should price in. For executing a non-custodial cross-chain swap into cbBTC on any of these chains, the dedicated /swap/cbbtc route handles routing and market-maker bidding.
cbBTC unifies Bitcoin liquidity across EVM and SVM ecosystems, but the custody, contract, and chain risks differ in ways most users underestimate. Read before you allocate.
About cbBTC
Coinbase Wrapped BTC (cbBTC) launched in September 2024 as Coinbase's direct response to Bitcoin holders who wanted DeFi exposure without surrendering the underlying BTC to a third-party custodian. Each cbBTC is backed 1:1 by native Bitcoin held in Coinbase's institutional cold-storage solution, and Coinbase-verified users can mint or redeem cbBTC at par by depositing the wrapped token back into a Coinbase account. As of June 6, 2026, total supply stands at 86,808.77446823 cbBTC, a market capitalization of $5,242,673,555, and 24-hour volume of $916,216,787, putting cbBTC firmly in the top tier of tokenized-Bitcoin instruments alongside WBTC.
The technical anchor is straightforward: cbBTC is not a trust-minimized bridge token, it is a custodial wrapper. Coinbase, a publicly listed US issuer (NASDAQ: COIN), holds the reserve BTC; the on-chain contract on each network is the mint-and-burn endpoint. Decimals are set to 8 on every chain, matching native Bitcoin so that no precision is lost during conversions or DeFi accounting. The contract address 0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf is reused verbatim across Ethereum mainnet, Base, and Arbitrum One — a deterministic deployment scheme (vanity prefix cbb7c) that makes integration and address verification symmetrical. Solana hosts an SPL version at cbbtcf3aa214zXHbiAZQwf4122FBYbraNdFqgw4iMij, and Monad uses a separate EVM address 0xd18b7ec58cdf4876f6afebd3ed1730e4ce10414b.
Economically, cbBTC has no monetary policy of its own — supply expands and contracts in lockstep with Coinbase customer mint and redeem flows, and it inherits Bitcoin's 21 million hard cap by reference. The token does not pay yield natively; all returns come from external DeFi venues (lending markets, liquidity pools, basis trades). Price tracks BTC closely, with cbBTC trading at $60,356 against an all-time high of $125,954 on October 6, 2025, a -52.11% drawdown and -41.799% over the trailing year. Persistent peg deviation is rare because Coinbase customers can arbitrage cbBTC against spot BTC inside a single account, which is the structural reason cbBTC's peg behavior tends to be tighter than bridge-based wrappers.
Real-world usage clusters in three buckets. First, DeFi collateral on Base — where Coinbase has aggressively integrated cbBTC into the Aerodrome, Morpho, and Aave deployments to make Bitcoin productive on its own L2. Second, liquidity provision on Ethereum mainnet, where cbBTC pairs with WBTC, USDC, and ETH in deep money-market pools. Third, settlement asset for Solana and Monad DeFi, where the wrapper acts as the BTC unit of account inside ecosystems that do not natively speak Bitcoin. For users moving cbBTC between these venues, AllSwap's non-custodial cross-chain swap rails handle the chain-version conversion without requiring a Coinbase account or KYC step.
cbBTC multi-chain versions
cbBTC exists on five chains because each chain represents a different DeFi gravity well, and Coinbase chose to mint the wrapper natively into each instead of relying on third-party bridge representations. The contracts are issued by Coinbase Custody, so every cbBTC version is fully backed at the issuer level — there is no canonical mainnet token plus bridged ghost copies. But the chains differ sharply in finality, fees, ecosystem TVL, and counterparty topology, which means picking the right cbBTC version is a real allocation decision.
Key insights
- Same contract address on Ethereum, Base, and Arbitrum (0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf) — a deterministic deployment scheme that simplifies multi-chain wallet UX and audit verification.
- Base hosts the deepest cbBTC liquidity by design — it is Coinbase's own OP Stack L2 with $3,839,796,597 in TVL, 2-second block time, and 780-second hard finality inherited from Ethereum, making it the default home for cbBTC DeFi activity.
- Ethereum mainnet cbBTC is the institutional venue — 12-second blocks, 768-second finality, and access to Ethereum's $36,416,033,854 TVL, but with EIP-1559 gas costs that make sub-$10,000 positions economically inefficient versus Base.
- The Solana version (cbbtcf3aa214zXHbiAZQwf4122FBYbraNdFqgw4iMij) is an SPL token on a non-EVM chain with sub-second blocks and 12.8-second finality, giving cbBTC access to the $4,711,936,322 Solana DeFi stack via Kamino, Jupiter, and Raydium.
- Monad is the newest cbBTC venue — a parallel-EVM L1 launched November 24, 2025 with 1-second finality and a 10,000 TPS design target; cbBTC there sits at $348,382,422 ecosystem TVL and represents an early-mover position.
Pick by use case
Base DeFi collateral and lending loops
BaseBase is the canonical cbBTC venue. Aerodrome Slipstream hosts the deepest cbBTC/USDC and cbBTC/ETH concentrated-liquidity pools, and Morpho and Aave's Base markets accept cbBTC as collateral with mature liquidation parameters. With 2-second block times and Flashblocks sub-second preconfirmations live on Base, fees per transaction stay in the cents range — workable for retail-scale Bitcoin DeFi that would be uneconomic on mainnet.
Ethereum mainnet institutional settlement
EthereumFor positions north of six figures, the Ethereum mainnet version of cbBTC remains the venue of record. It clears through the largest validator set, integrates with $36.4B of TVL across Sky, Ethena, EigenCloud and other institutional rails, and provides 768-second hard finality. The trade-off is L1 gas — a simple cbBTC transfer can cost meaningful dollars during congestion, so this version is best suited for size and not for active rebalancing.
Solana SPL — BTC-denominated trading
SolanaOn Solana, cbBTC is an SPL token used primarily as a BTC unit-of-account inside high-throughput DeFi. Jupiter Lend, Kamino, Raydium AMM, and Jupiter Perpetual Exchange all support cbBTC as either margin or pair asset. With 0.4-second blocks, 12.8-second finality, and median transaction costs in fractions of a cent, the Solana version is the active-trader's cbBTC — fast book entry, low friction, but only viable for users comfortable with Solana's historical uptime track record of multi-hour network outages during prior cycles.
Arbitrum One — alt-L2 carry trades
ArbitrumArbitrum hosts the same cbBTC contract address as Ethereum and Base, which makes it a natural home for users running carry trades across the Coinbase wrapper. Block times of 0.25 seconds and the Nitro/BoLD architecture deliver fast soft confirmations, though L1 challenge-window finality runs ~7 days. cbBTC on Arbitrum complements derivatives venues (Ostium, Boros) and is the right pick when the strategy lives inside Arbitrum's $1,237,602,826 TVL stack.
Monad — early-mover liquidity provision
MonadMonad mainnet launched November 24, 2025 and cbBTC sits at contract 0xd18b7ec58cdf4876f6afebd3ed1730e4ce10414b. With pipelined MonadBFT consensus delivering 1-second finality and parallel EVM execution targeting 10,000 TPS, cbBTC here is suited for users seeding early liquidity in Curvance, Neverland, and Kuru CLOB while ecosystem incentives are most attractive. Risk profile is higher — a young chain with thinner TVL ($348M) — so position-size accordingly.
cbBTC market data
Source: CoinGecko
Chains where cbBTC is live
cbBTC is available for cross-chain swap on the 2 chains below. Tap any chain to see every asset live on it.
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Compliance & risk
cbBTC is the most centralized of the major tokenized-Bitcoin instruments by design. That centralization is also its security model — Coinbase's custody balance sheet is the backing — but it creates concrete compliance surface area that holders need to understand before treating cbBTC as a drop-in BTC substitute.
Single custodian concentration risk
HighAll 86,808.77446823 cbBTC in circulation, representing $5,242,673,555 of customer claims, are backed by Bitcoin held in Coinbase's cold-storage custody. There is no MPC committee, no decentralized validator set, and no on-chain proof-of-reserves system independent of Coinbase's attestations. A custodian-level failure — operational, legal, or accounting — would impair the peg of every cbBTC across all five chains simultaneously, with no recourse to a permissionless redemption path.
Issuer-level freeze and blacklist authority
HighCoinbase, as a US-regulated issuer, retains the technical and legal capability to freeze cbBTC at specific addresses in response to law-enforcement requests, sanctions screening, or stolen-funds claims. This is a standard feature of centrally-issued wrapped assets and is materially different from native BTC, which has no such kill-switch. Wallets servicing privacy-sensitive flows or jurisdictions exposed to OFAC restrictions should price this risk explicitly into their cbBTC allocation.
Drawdown and peg-deviation history
MediumcbBTC currently trades at $60,356 against its $125,954 all-time high recorded October 6, 2025 — a -52.11% peak-to-current move and -41.799% year-over-year. Although the peg to native BTC has held within normal arbitrage bands, holders should not confuse the peg with downside protection: cbBTC carries full BTC market-price exposure, and the all-time low of $57,439 sits only marginally below the current spot.
Smart-contract and chain-version contagion
MediumAlthough the EVM contract address is reused across Ethereum, Base, and Arbitrum, each deployment is a separate live contract, and the Solana and Monad versions are independent codebases. A bug or admin-key compromise on one version would not automatically affect the others, but the issuer's central authority means an issuer-side incident response could pause mints or redemptions across all chains at once. Users running multi-chain cbBTC positions inherit a correlated tail-risk.
Redemption gating outside Coinbase users
MediumNative 1:1 redemption of cbBTC for native BTC is only available to verified Coinbase customers — users in jurisdictions where Coinbase does not operate, or who have not completed KYC, cannot directly redeem and must instead exit through secondary-market liquidity (DEX swaps, OTC). In stressed market conditions this can introduce slippage that does not affect the underlying BTC peg, but does affect realized execution.
cbBTC FAQ
01What is the difference between cbBTC and WBTC?
Both are 1:1 Bitcoin wrappers with 8 decimals, but the custody and chain footprint differ. WBTC is issued by BitGo under a merchant/custodian model and is dominantly an Ethereum asset. cbBTC is issued by Coinbase directly, lives natively on Ethereum, Base, Arbitrum, Solana, and Monad, and reuses the same contract address (0xcbb7c0000ab88b473b1f5afd9ef808440eed33bf) across the three EVM L1/L2 deployments. cbBTC's redemption rail goes through a regulated US public company; WBTC's goes through BitGo's merchant network. For users already inside the Coinbase ecosystem, cbBTC has lower friction; for users wanting maximum cross-chain DEX liquidity today, WBTC still has a longer integration track record.
02Can my cbBTC be frozen or blacklisted by Coinbase?
Yes. cbBTC is a centrally-issued wrapped asset and Coinbase, as the issuer, retains the technical and legal authority to blacklist specific addresses on the cbBTC contract. This typically happens in response to law-enforcement requests, OFAC sanctions, or stolen-funds investigations. This is a structural difference from native Bitcoin, which has no such freeze mechanism. If your use case is privacy-sensitive, exposed to sanctioned jurisdictions, or routed through addresses with screening-sensitive history, cbBTC carries materially more counterparty risk than holding native BTC in self-custody.
03Why does cbBTC have versions on five different chains?
Each chain represents a distinct DeFi ecosystem with its own liquidity, gas profile, and integration partners. Ethereum is the institutional venue (largest TVL, deepest pools, but high gas). Base is Coinbase's own L2 and the canonical home for cbBTC DeFi (2s blocks, Flashblocks preconfirmations, $3.84B TVL). Arbitrum picks up alt-L2 derivatives flow. Solana extends cbBTC into the non-EVM SPL world (3000 TPS typical, sub-second blocks). Monad is the early-mover position on a brand-new parallel-EVM L1 launched November 24, 2025. Coinbase mints each version natively rather than relying on bridge representations, so all five share the same custodial backing.
04Is cbBTC actually backed 1:1 by Bitcoin?
According to Coinbase's published policy and white paper, every cbBTC in circulation corresponds to an equivalent amount of native BTC held in Coinbase's institutional cold-storage custody. The current supply of 86,808.77446823 cbBTC across all five chains implies an equivalent BTC reserve of the same magnitude. Coinbase publishes attestations, but there is currently no decentralized, real-time on-chain proof-of-reserves system — backing is verified through the issuer's regulated disclosures, not through trust-minimized cryptography. Users who require permissionless verification of reserves should weight this against the convenience of the wrapper.
05Which chain version of cbBTC should I hold for DeFi yield?
It depends on size and strategy. For positions under approximately $50,000 actively rotating through lending and AMM pools, Base is the practical choice: gas costs are negligible, Aerodrome Slipstream and Morpho integrations are mature, and cbBTC was effectively launched there. For institutional size where gas is a rounding error, Ethereum mainnet has deeper money markets and longer-tenured protocols (Aave, Spark, Maker). For SVM-native strategies — perp basis trades on Jupiter, lending on Kamino — the Solana SPL version is the right pick. Arbitrum suits users running derivatives strategies inside its $1.24B TVL stack, and Monad is a higher-risk, higher-incentive frontier for early liquidity providers. For converting between versions without a Coinbase account, AllSwap's non-custodial cross-chain swap rails handle the routing automatically and refund automatically if a quote fails.