Payment receipt

One payment to this board, and the arithmetic that shows it was really made. Nothing below asks you to believe this server.

Listing: BuyUKeSIM
Amount: 0.06 XMR ≈ $28
Settled: 2026-08-28 12:20:45 UTC
Paid to: 8Ah473enPZfEAwZzn7mWUr4VGfXGjbZPx9M8GJ7qDenZ7sSYSgRc8kkaMdAXC3KvaUKSLqGxTGKNC1VmsXcRK6qv36kE5h9
Transaction: b8202ce3ae6bbd49c7f3ca8bf82ea3188bfd06feddb03be871f433e06328ee6b
Message: xmrbid.lol invoice WHlbdYVAwNiJqKNd
Signature: InProofV2AxYtnTxLtCfAC7oVAouqWAdAb8n8TQeR68dP79hWUf6AD4CpH5GrRaRVNzKzjm5ws2dLDLUeR6xTVcnDpSRvrPYrgDoEXfPQvZ8DxfXrZG4UHh6tMUXDtmWwdfYw48gvpten

In the Monero GUI, Advanced → Prove/Check → Check Transaction. Four fields, in this order, copied exactly:

Txidb8202ce3ae6bbd49c7f3ca8bf82ea3188bfd06feddb03be871f433e06328ee6b
Address8Ah473enPZfEAwZzn7mWUr4VGfXGjbZPx9M8GJ7qDenZ7sSYSgRc8kkaMdAXC3KvaUKSLqGxTGKNC1VmsXcRK6qv36kE5h9
Messagexmrbid.lol invoice WHlbdYVAwNiJqKNd
SignatureInProofV2AxYtnTxLtCfAC7oVAouqWAdAb8n8TQeR68dP79hWUf6AD4CpH5GrRaRVNzKzjm5ws2dLDLUeR6xTVcnDpSRvrPYrgDoEXfPQvZ8DxfXrZG4UHh6tMUXDtmWwdfYw48gvpten

It answers with the amount that transaction paid that address, read off the chain rather than off this page. If the two disagree, this page is the one that is lying. The same check is check_tx_proof over the wallet RPC, and check_tx_proof in monero-wallet-cli, which wants the signature in a file rather than on the command line.

How to check it

This is a Monero InProof. It is a signature made with this board's private view key showing that the transaction above paid the address above. Verifying it takes a Monero node and no permission from us.

What it proves, and what it does not

It proves that a real transaction paid this exact amount to this board. That is the number the ranking is built from.
It says nothing about who paid. Monero hides the sender, and a receipt signed by the receiver cannot reveal one.
It is made with a view key. This server can prove money arrived and cannot move it, because no spend key is kept here.
It cannot prove the board is not bidding on itself. No signature can. That is why every payment is published rather than summarised.

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