To reconcile a Bitcoin-to-Ethereum bridge transfer, match the source debit to the destination credit by transaction ID, asset, and net amount. A transfer can involve separate Bitcoin and Ethereum transactions, and the destination may be a token representing Bitcoin rather than BTC itself. For treasury records, that distinction determines what your business actually received.
What counts as a completed transfer?
A transfer is complete when the destination asset reaches the intended address and has enough confirmations for your accounting policy. A Bitcoin transaction hash proves the source payment; it does not prove the destination credit. Record the Ethereum transaction hash separately and verify the token contract and amount against the transfer record.
For a historical payment, RenBridge moved Bitcoin onto another chain as a wrapped token. Knowing about the RenBridge shutdown helps your team classify an old receipt correctly: it may represent Bitcoin on Ethereum, not native BTC in a Bitcoin wallet. For new transfers, a cross-chain bridge-and-swap service can move and convert assets across chains in one flow; record the asset and amount it quotes for delivery.
Keep these fields together in the payment record:
- Business payment reference and beneficiary
- Source network, asset, amount, and transaction hash
- Destination network, asset, address, amount, and transaction hash
- Transfer date, exchange rate used, and any fees shown in the record
Reconcile the two sides in order
Use the same units before comparing amounts. If your team sends 0.50 BTC and the destination receives a Bitcoin-backed token on Ethereum, compare the BTC amount with the token’s BTC value, not with an ETH amount. If the flow also swaps into ETH, reconcile the swap’s quoted output separately from the bridge movement.
- Match the payment reference to the approved treasury instruction.
- Open the Bitcoin transaction hash and confirm the destination address and amount paid.
- Check that the Bitcoin transaction has met your company’s confirmation threshold.
- Find the destination transaction and verify its recipient, token, and credited amount.
- Compare the credited value with the source value after recorded fees and conversion; investigate any unexplained difference before closing the entry.
For example, say the source debit is 0.50 BTC, the recorded source fee is 0.0001 BTC, and the destination record shows 0.497 BTC-equivalent. The expected amount before any other documented costs is 0.4999 BTC-equivalent, leaving a 0.0029 difference to explain. Check the bridge or swap record and the destination token before treating that gap as a loss.
Do not force a match just because two transactions share a timestamp. Bitcoin and Ethereum confirm at different rates, and a bridge can wait for source confirmations before creating the destination transaction. If the source is confirmed but no destination credit appears, keep the payment open and use the bridge’s recorded transfer reference to trace it.
Questions treasury teams ask next
Should the destination token be booked as Bitcoin?
Book the asset your business controls. A wrapped Bitcoin token is a token on another chain that represents Bitcoin; it is not a native Bitcoin balance. Your accounting policy may value it using BTC, but the ledger should retain the token name, network, quantity, and valuation method so the holding can be identified and reconciled later.
When should we mark the payment complete?
Mark it complete after the destination transaction is confirmed to your policy’s threshold, the intended recipient and asset are verified, and the net amount is explained by the recorded fees or conversion. Save both transaction hashes and the transfer record together. If the source confirms but the destination is still pending, leave it in transit and review it against your normal exception window.