Over 100,000 digital certifications
already generated across Europe.
Do not certify alone. Join a European platform already trusted for creating strong, organized and verifiable technical proof: digital timestamping, SHA-256 hash, PDF certificate and public verification on the Bitcoin blockchain. Built for creators, companies, designers, authors and professionals who want to protect their work before publishing, sending or presenting it.
Digital proof for creators, agencies, startups, professionals and businesses.
A direct proof workflow for ideas, files and digital assets that need proof of existence, integrity, traceability and public verification.
SHA-256 proof
A unique digital fingerprint linked to the content, useful to verify integrity over time.
Bitcoin Proof
Advanced packages include Bitcoin Proof for stronger recognizability and public verification.
Public verification
Certificates can be checked online through the public verification page with available proof data.
Simple entry point
Start from €4.90 with one ABO Credit and build your certification level from there.
How it works
A straightforward process: easy for the person certifying, clear for the recipient and useful for anyone who needs to verify the proof later.
Upload your content
Upload the file, work or digital content you want to protect before sharing it.
Generate the certificate
The platform creates the digital certificate with hash, date and consultation data.
Activate Bitcoin Proof
On Bitcoin levels, the proof gains verifiable Bitcoin/OpenTimestamps references.
Use public verification
The certificate can be checked online, making verification immediate and transparent.
Bitcoin Proof and digital timestamping
The digital proof connects the cryptographic fingerprint of your file to verifiable blockchain references, strengthening integrity and traceability over time.
- Unique SHA-256 fingerprint of the content
- Bitcoin/OpenTimestamps references where available
- Readable statuses such as pending, anchored and confirmed
- Public verification page already available online
What you can certify
CopyrightChain is designed for digital content that needs order, proof and public verifiability.
- Creative works, drafts, concepts and graphic files
- Texts, manuscripts and editorial content
- Documents, attachments, contracts and technical material
- Code, projects, presentations and digital assets
Three certification levels. Flexible ABO Credits.
Buy only the ABO Credits you need. Use them for the level of certification that matches the value and risk of your content.
Basic Certification
1 ABO Credit — €4.90
- SHA-256 proof
- Timestamp
- Public verification
- Digital certificate
Bitcoin Proof
2 ABO Credits — €9.80
- Everything in Basic
- Bitcoin Proof/OpenTimestamps
- TXID reference
- Higher public recognizability
Advanced Services
3 ABO Credits — €14.70
- Everything in Bitcoin level
- Priority processing
- Professional management
- Dedicated support path
Frequently asked questions
Direct answers about digital proof, PDF certificates, ABO Credits and public verification.
How do I protect an idea before sharing it?
Upload the file or document, generate a verifiable digital proof and obtain a PDF certificate with SHA-256 hash, timestamp and public verification.
What can I certify?
Texts, photos, logos, concepts, contracts, source code, business plans, technical projects and many other digital files.
How much does certification cost?
Basic certification starts at 1 ABO Credit, equal to €4.90. Higher levels add Bitcoin Proof and advanced services.
How does public verification work?
Each certificate can be checked through the public verification page, reading its status, hash and available references.
Before you send it. Before you publish it. Before you show it. Certify it.
Create verifiable digital proof for works, ideas, documents and business assets. Start from €4.90, with public verification and Bitcoin levels for stronger documentary evidence.
Insights on Bitcoin blockchain, digital copyright and proof of existence.
Read selected articles and updates about proof of existence, protection of digital content, SHA-256 and intellectual property.