A landlord wants proof you earn enough. Today you hand over every transaction you've ever made. Here you reveal only the income — and the recipient can still prove it's genuine and unaltered. It all happens in this tab.
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Your statement, sealed
Your bank statement is sealed once — a fingerprint (Merkle root) over every transaction, plus a signature from the issuer's key. Below is a synthetic three-month statement standing in for yours.
Sealedsealing…
Reveal
Date
Description
Amount
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You choose what to prove
Only the rows you reveal go into the shareable proof. The rest are present as fingerprints — enough to prove nothing was dropped or invented, but revealing nothing about what they were.
Income you're revealing
—
Transactions you're hiding
—
The shareable proof is — — and it contains none of your private spending:
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What the landlord sees
The recipient opens the proof, holding only the issuer's published key. Their device checks the signature and every revealed row against the sealed fingerprint — no trust in you required.