Crypto transaction hashes: what to save for a fraud report
Identify a transaction hash, network and wallet address, and understand what blockchain evidence can and cannot establish.
Save the transaction hash together with the blockchain network, asset, amount, time and sending and destination addresses. A hash identifies a transaction on a particular network; it does not by itself reveal the recipient’s legal identity or give anyone the power to return funds.
A transaction hash is often called a transaction ID or TxID. It can help an exchange or investigator locate a transfer, but it is only one part of the report. A platform’s internal order number may not be the same as an on-chain transaction hash.
If a transfer happened entirely inside a service, there may not be a public blockchain transaction for that step. Save the service’s receipt and account reference instead of inventing a hash or assuming every balance movement was on-chain.
Find the record at the sending service
Open the withdrawal or transaction history at the genuine exchange or wallet you used. Save the full receipt and any explorer link. Record the network exactly: the same token symbol can appear on different blockchains, and an address format alone may not settle which one was used.
Copy the full identifier rather than retyping it from a picture. Keep the date, time zone, amount, asset and fee as separate fields. If the service displays a pending or failed status, preserve that status too; a failed transfer is not the same as a confirmed payment.
Record the destination and the payment instruction
Save the recipient address both from the transfer receipt and from the message that told you where to send funds. If an address changed, keep both and note the sequence. For tokens, capture the token contract information when available rather than relying solely on a ticker that could be copied.
An explorer screenshot can supplement the record, but the receipt and original instructions help establish why you paid. Save the investment website and support conversations alongside the blockchain details.
Separate visibility from identity
An explorer may show an address receiving funds and later sending them elsewhere. That does not identify the human owner without further evidence. Third-party address labels can be incomplete or wrong, and transfers may involve service wallets used for many customers.
Do not accuse a named exchange or individual solely because a label appears in a diagram. Describe what the record shows and let the provider or authority assess attribution. A professional-looking tracing graph does not itself prove that the assets can be frozen or recovered.
Protect secrets and make a readable submission
Public addresses and transaction hashes are not wallet passwords, but linking them to your identity publicly can still expose your financial history. Share the detailed report through verified channels. No evidence submission should require your seed phrase, private key, recovery code or a wallet connection to an unknown site.
Use one line per transfer and attach the receipts. Include the bank-to-exchange leg if relevant, clearly distinguished from the on-chain withdrawal. Tell the receiving authority if you later discover another payment rather than filing inconsistent totals.
A short checklist
- Save the full TxID and network.
- Record asset, amount, time zone and addresses.
- Keep the original payment instructions.
- Distinguish on-chain records from internal service entries.
- Never share wallet secrets.
Common questions
Can the transaction hash be used to reverse the transfer?
No. It is an identifier, not a control mechanism. Any restraint or recovery requires other technical, institutional or legal steps.
What if I cannot find a hash?
Ask the sending service for the transfer record. Save its internal reference, status and receipt. There may be no public hash if the movement was internal or never completed.
References
- Cryptocurrency investment fraudFederal Bureau of Investigation · United States; international scam patterns
- What to do if you've been scammedASIC Moneysmart · Australia
- Refund and recovery scamsFederal Trade Commission · United States; scam-pattern guidance
