Proof you can point to, for a penny.

When something is questioned later, show exactly what you had and when. Drop a file and get a certificate anyone can check in seconds, without trusting you or us. The file never leaves your device.

Record a file Check a file

What you can do with a record

Hand it to someone and have the certificate show who held it and what each of them said. Ask another person to put their name to it. Keep a copy with it. Seal it until a date you pick. Say something publicly. Show it all on your own page.

Every one of those is a real record you can open and check right now, including a parcel that changed hands twice on its way across the country.

See all of it working How it works

Three steps

Step 1

Drop a file

Your device works out the file's fingerprint. The file itself never leaves it.

Step 2

Sign in once

An email link, or your fingerprint or face. No password to remember.

Step 3

Get a certificate

The fingerprint and the time go into a public ledger in about a second. Anyone can check it later, no account needed.

When this matters

A deposit or an inventory

Photograph the flat, the car or the kit before you move in or hand it over. Dated, and impossible to quietly redo later.

Work you were paid for

The quote, the drawings, the finished job. If the story changes, the record does not.

Something you are selling or sending

Record its condition, then hand the record over with a photo and a note, so both sides are on the record.

Work you made first

A design, a track, a manuscript. Put it on the record before you show it to anyone.

A screenshot as evidence

Record it the moment you take it, and paste it straight in from the clipboard.

Anything two people agree on

Record it, then ask the other person to countersign, so nobody can say they never saw it.

What people do today is email it to themselves. Nobody else can check that, and a date on an email is easy to argue with. A record is public, independent, and outlives us.

What it costs

Free for everyday use: up to 20 records an hour, and 100 MB of kept copies.

Past that, a penny a record, and a dollar a month for ten gigabytes of copies, from a balance you top up once. The ledger itself charges a fraction of a penny, which is what makes this possible: no card fees, no invoices, no waiting on a bank.

For developers

One call takes a fingerprint and returns a receipt. Webhooks tell your systems when a record confirms, is handed over or is countersigned. Read the API, or use the pollypay command line tool, which can watch a folder and record everything that lands in it.