Proof of transaction.

Turn any on-chain activity into a document humans can read. Client-side. Nothing stored. Yours to keep.

Runs in your browser · Zero data storage · Refresh and it's gone

How it works

Paste or connect

Enter a transaction hash or connect your wallet to select an NFT

Preview

See your receipt with all transaction details and prices

Download

Export as PDF for your records, taxes, or insurance

Historic Receipts

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Inspect archival proof of iconic on-chain moments.

Art Blocks #1545

Dec 2020 • Art Blocks

Genesis "Chromie Squiggle" by Snowfro

Milady #324 Sale

Sep 2021 • Milady Maker

Early transfer of the iconic neochibi aesthetic

🧦

Unisocks Deployment

May 2019 • Uniswap

The first liquid NFT experimental launch

                PRAGMA SOLIDITY ^0.4.0;

                CONTRACT IS_ART {

                  BOOL PUBLIC ART = TRUE;

                }

Is Art? Deployment

Jan 2015 • Rhea Myers

Historic early-Ethereum conceptual art

₿

Bitcoin Ordinals

Coming Soon

Historic inscriptions on the longest chain

Questions

No. Everything runs client-side. We couldn't store your data if we wanted to—which we don't.

Yes. Supporters can contribute, but the tool works the same either way.

Taxes. Insurance claims. Proving to your accountant that yes, this was a real transaction. NFT provenance documentation. Personal records. Proof you were early—or proof you bought the top. We don't judge.

Historical prices from DeFiLlama and CoinGecko. Gas calculated from actual transaction data.

Yes. Bitcoin inscriptions and additional L2s are planned. Join the list below.