Your home is worth more when it can prove itself.

Every dollar you've invested in this home — the new roof, the HVAC replacement, the renovated kitchen — disappears the moment you list. Unless you can prove it. ProofChain is how you prove it.

Claim my home See owner pricing

The numbers

~4% Higher list prices on average for verified homes (2024 pilot data)
-38% Fewer conditional offers falling through
$5,000 ProofPromise backing every fact you verify

Four steps to a verified home

Claim your Home Passport ID

One tap. We match your address to municipal records and mint your permanent Home Passport ID.

Invite the pros

Add the contractors, inspectors and insurers who worked on your home. Each signs their own events.

Set your visibility

Choose what's public, what's preview, what unlocks in a paid ProofReport.

List with confidence

Every offer sees a report backed by real signatures. Get paid for the work you did.

Owner-controlled

Nothing leaks without your signature.

You control the visibility matrix for every field. Buyers see a public summary for free. Only unlocked reports reveal invoice amounts, mortgage lenders, or claim details.

Public: renovation count, warranty count, inspection dates
Preview: cost aggregates, year of sale (not price)
ProofReport: full costs, invoice hashes, warranty terms
Buyer-only: mortgage lender, contractor invoices PDF