Anchor a document with Oscar

This 40-second video introduces OSCAR's free tool for anchoring a document: a contract, a quote, an invoice, a letter or a photo. You will then be able to prove that the file existed on that date and has not been changed since.

Key points

  • Up to 9 files at once, 100 MB in total, without creating an account.
  • The fingerprint is calculated on your device: the file itself is never sent.
  • At the end, a folder to keep brings together your files, their proofs and a PDF certificate for each one.

Anchoring proves that a file existed on a given date and has not changed since; it does not prove who wrote it, or that its content is accurate.

The text in the video

PROVE THE DATE of any document!

WHAT IF IT’S DISPUTED?

An important document?

Contract, invoice, quote, photos, letter…

A year from now, how will you prove it already existed?

“This document is from later!” …can you prove otherwise?

Anchor it with Oscar in 1 minute: Contract, Invoice, Photos, Letter

Anchor a document · Up to 9 files · 100% FREE

Its fingerprint is recorded on the Bitcoin blockchain · Timestamped · Verifiable

If there is a disagreement, the date is provable. Impossible to backdate or modify.

Simple and safe

Your file stays with you: Only its fingerprint is sent, never the document.

Anyone can verify it: For free, even without OSCAR.

How does it work?

Go to www.monassistant-oscar.com

Open the menu

Choose “Ancrer un document”

We'll guide you!

Anchor a document · 100% free · Proof anchored on the Bitcoin blockchain · www.monassistant-oscar.com

Anchor a document on the Bitcoin blockchain

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