usefulweb.site Cross-Chain Transaction Explorer

Blockchain & Web3 explorers

Cross-Chain Transaction Explorer

Follow one transaction across chains: source tx, bridge deposit and destination fill on a timeline.

Ignored for Solana signatures, which are detected automatically.

The "logs" array of eth_getTransactionReceipt.

Try an example: CCTP burn Ethereum → Base from pasted logs (offline)

How it works

Give a transaction hash on an EVM chain or a Solana signature. The explorer decodes the source transaction, detects bridge deposits (Circle CCTP, Across, OP Stack and Arbitrum canonical bridges, Wormhole messages), asks the bridge's own status service where the funds went, looks the destination transaction up on the destination chain, and draws the whole journey as one timeline and graph.

  • EVM source: the Transaction Decoder tool decodes the transaction (status, block time, finality, call, token transfers); the Bridge Transfer Tracker tool finds bridge deposit events (CCTP v1/v2, Across, OP Stack, Arbitrum) and queries the bridge's status service.
  • Solana source: getTransaction (jsonParsed, maxSupportedTransactionVersion 0) on the public mainnet-beta RPC; invoked programs are matched against verified Wormhole and Circle CCTP program ids; token balance changes come from pre/post token balances.
  • Wormhole: the source hash is looked up on the Wormholescan operations API, which reports the target chain and the redeem transaction when delivered.
  • Destination: when a status service returns a destination transaction (e.g. the Across fillTx or a Wormhole redeem) on a supported EVM chain, it is decoded on that chain with the Transaction Decoder.
  • Elapsed time = destination block time − source block time. Pasted logs are decoded offline without any network call (no timestamps).

For scripts and AI agents

  • JSON API: POST https://crosschaintransactionexplorer.usefulweb.site/api/v1/calculate (same calculation as this page)
  • Interface description: OpenAPI 3.1 · AI guide: llms.txt
  • MCP server (Streamable HTTP): https://crosschaintransactionexplorer.usefulweb.site/mcp · tool name cross_chain_transaction_explorer
Example request
curl -s -X POST https://crosschaintransactionexplorer.usefulweb.site/api/v1/calculate \
  -H 'content-type: application/json' \
  -d '{…see OpenAPI examples…}'

Related tools

  • Bridge Transfer Tracker – Where is my bridged money? Finds the bridge deposit in a transaction and checks if it arrived.
  • Transaction Decoder – See what an EVM transaction actually did: call, events, token transfers, fee, finality.
  • Rollup Batch Explorer – How L2 transactions reach Ethereum: unsafe → safe → finalized, blobs, batch costs, withdrawal waits.
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