Token · Arbitrum

Wrapped Bitcoin on Arbitrum (WBTC)

Wrapped Bitcoin (WBTC) is an ERC-20 token on Ethereum backed 1:1 by Bitcoin. It brings Bitcoin's liquidity into Ethereum's payments and DeFi, so Bitcoin value can move in Ethereum-native smart contracts. On Arbitrum, WBTC moves as a ERC-20 token: transfers pay Arbitrum network fees in ETH and settle with the network's own finality. Every U.CASH rail that runs on Arbitrum, from checkout to swap, supports WBTC natively on this chain.

Swap WBTC on Arbitrum → Buy WBTC

Open in the app: Swap · Buy · Get UCASH

Wrapped Bitcoin on Arbitrum at a glance

Network
Arbitrum
Standard
ERC-20 token
Block time
~0.25 seconds
Consensus
Optimistic Rollup

WBTC transfers confirm with the Arbitrum network (~0.25 seconds blocks). Settlement on U.CASH is non-custodial: every payment and swap moves on-chain, direct to a wallet you control.

Wrapped Bitcoin on Arbitrum contract addresses

Wrapped Bitcoin on Arbitrum (WBTC) is a token. Always verify the address before trading.

Arbitrum0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f

Use WBTC on Arbitrum

Every action opens with WBTC already selected.

Swap WBTC

Best-price routing from Arbitrum into any asset, cross-chain included, in one signed transaction.

Open the swap →

Buy WBTC

Card or bank where the fiat rails serve Arbitrum, or swap from any asset you already hold.

Buy WBTC →

Get UCASH with WBTC

Pay WBTC from Arbitrum and receive UCASH, the U.CASH network token, non-custodial.

Get UCASH →

Related on U.CASH

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Wrapped Bitcoin on Avalanche (WBTC)

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Wrapped Bitcoin on Base (WBTC)

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Wrapped Bitcoin on Optimism (WBTC)

Wrapped Bitcoin (WBTC) on Optimism.

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Arbitrum (ETH)

Leading Ethereum L2 by activity.

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Wrapped Bitcoin on Arbitrum: FAQ

What is the WBTC contract address on Arbitrum?
0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f. It is the verified ERC-20 token deployment listed above with its explorer link. Always check the address before you trade or accept WBTC on Arbitrum.
How do I swap WBTC on Arbitrum?
Open swap.u.cash/wbtc-arbitrum and the pair arrives prefilled: WBTC on Arbitrum as the asset you pay. Pick what you want to receive, confirm the route, and your wallet signs one transaction.
How fast are WBTC transfers on Arbitrum?
Arbitrum runs Optimistic Rollup with ~0.25 seconds blocks, and WBTC settles with the network. U.CASH watches confirmations per your checkout policy.
Can I move WBTC from Arbitrum to another network?
Yes. The same swap screen routes cross-chain in one signed transaction: choose a destination network and the router bridges alongside the trade, so the output lands as WBTC (or any asset you pick) on the other chain.
What does it cost to use WBTC on Arbitrum?
You pay the Arbitrum network fee in ETH for each transfer. Swaps carry a flat, transparent fee shown before you confirm; there are no spreads or hidden routing cuts.
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Wrapped Bitcoin on Arbitrum, your keys

Swap, buy, and settle WBTC on Arbitrum non-custodial, straight to the wallet you control.

Swap WBTC on Arbitrum → Buy WBTC