Use case

Proof of creation for freelancers

As a freelancer, you need to prove you created a deliverable at a given date. Proxae timestamps your work in the Bitcoin blockchain — free, instant, and confidential proof of priority.

As a freelancer, you deliver work without always having a bulletproof contract. Proxae lets you prove you created a deliverable on a given date — simple protection in case of dispute.

Protect my work →

The freelancer's risk

A client disputes the authorship of your work. A project is copied before payment. A brief evolves without a trace. Without dated proof, it is your word against theirs.

Real-world situations

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A graphic designer sends a mockup to a client who refuses to pay then uses the design — Proxae certification proves authorship and creation date.

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A developer delivers a project and the client claims to have done the work in-house — the timestamp proves the deliverable existed before the delivery date.

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A writer sends an article to a magazine that publishes it under someone else's name — Proxae proof establishes the original author.

The solution

Certify each deliverable

Before sending a file to your client, upload it to Proxae. The fingerprint is computed locally.

Instant certain date

In seconds, your deliverable has a proven date of existence, anchored in Bitcoin.

Proof in case of dispute

If a client disputes authorship or the delivery date, you have independent cryptographic proof.

Before each delivery, take 10 seconds to certify your work. Free and no sign-up required.

Protect my work

Proxae vs freelance alternatives

	Proxae	Registered mail	Plain email
Cost	✓ Free	~$5	Free
Speed	✓ Instant	2-5 days	Instant
Privacy	✓ Full (local hash)	Document sent	Not confidential
Permanence	✓ Permanent (Bitcoin)	Variable	Disputable

Why freelancers use Proxae

✦ Protect your deliverables before sending to clients
✦ Prove the date of a proposal or quote
✦ Track a project's evolution with successive certifications
✦ Free — no additional cost on your margins

Frequently asked questions

Is it useful even with a contract?

Yes. A contract defines the terms, but does not prove the creation date. Proxae timestamping complements contractual protection.

Can my client see my file?

No. Proxae never stores your file — only the cryptographic fingerprint. Your work remains confidential.

How do I present the proof to a client or judge?

Share your Proxae proof link. With the Pro plan, download an official PDF certificate with RFC 3161 timestamp.

Is it valid without a contract?

A contract defines collaboration terms. Proxae timestamping proves the creation date of the deliverable. Both are complementary — but even without a contract, the proof of date has probative value.

How to present the proof in case of dispute?

Share the permanent link to your Proxae proof. With the Pro plan, download a PDF certificate with RFC 3161 timestamp compliant with eIDAS — admissible in European courts.

Protect my work

Certify before you deliver.