publicKey: Extracted from Bitcoin transaction witness (33 bytes compressed)
proof: ECDSA signature r||s (64 bytes) from transaction
Signatures verified via relayer API connected to Bitcoin Core
๐ต Arbitrum OneChain ID: 42161
Not connected
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๐ณ Direct Payment Request No Swapโผ
โก FastPath Swap Trustlessโผ
Swap between any chains - trustless, instant settlement
๐ Order Managementโผ
Available if BTC transfer is not confirmed by deadline.
๐ Link Deposit Transaction
Link your actual deposit transaction hash for on-chain tracking and finality verification.
๐ง PSBT Builder Non-Custodialโผ
1๏ธโฃ Load UTXOs Enter your address
2๏ธโฃ Build TX Select inputs & outputs
3๏ธโฃ Sign Use your wallet
4๏ธโฃ Broadcast Send to network
How it works: Create an unsigned PSBT โ Sign with Sparrow, Ledger, or any PSBT-compatible wallet โ Broadcast to Bitcoin network.
โ Your keys never leave your device.
Enter the address holding your Bitcoin. We'll fetch available UTXOs from mempool.space.
Selected Total:0 sats
๐ก Change will be calculated automatically. Miner fee โ 250-500 sats.