CopyrightChain FAQ.

Upload the file or document to CopyrightChain and create verifiable Bitcoin digital proof with SHA-256 hash, PDF certificate, proof date, OpenTimestamps in supported levels and public online verification.

CopyrightChain creates a digital certification linked to the document: SHA-256 fingerprint, timestamp, PDF certificate, QR code and public verification data. Bitcoin packages add verifiable Bitcoin/OpenTimestamps references designed for clear third-party verification.

It is a process that connects cryptographic proof of a file to a verifiable timestamp reference. CopyrightChain focuses on SHA-256, timestamping, Bitcoin/OpenTimestamps, PDF certificate and public verification.

It helps show that a file, work, project or digital asset existed at a specific time and that the verified content matches its cryptographic fingerprint.

You can certify texts, images, photos, logos, naming concepts, creative concepts, music, videos, source code, ZIP files, documents, contracts, NDAs, business plans, presentations, technical projects and business assets.

Yes. Advanced levels support Bitcoin/OpenTimestamps proof, with technical references such as proof status, TXID when available and public verification data.

It is the premium workflow where the user confirms the individual deposit through SPID/CIE during the certification operation. The certificate links identified depositor, SHA-256 hash, deposit date, PDF certificate, Bitcoin/OpenTimestamps and public verification.

No. SPID/CIE strengthens identity and confirmation evidence. A qualified eIDAS timestamp remains the Plus level for users who need qualified temporal validation with specific legal presumptions.

It helps document that an identified person confirmed the deposit of a specific file/hash in a specific session, making the evidence clearer than a deposit based only on email and password.

It is the digital fingerprint of the file. If even one detail changes, the hash changes. This makes the proof useful for integrity and matching verification.

The file remains under the user’s control. Public verification works with technical references and the cryptographic fingerprint, supporting confidentiality, integrity and documentary proof.

The certificate may include certificate ID, date, SHA-256 hash, proof status, QR code, verification references, available blockchain data and information needed to reconstruct the certification flow.

Anyone with a certificate can use the CopyrightChain verification page or QR code to check proof status and public data linked to the certificate.

Basic certification starts from 1 ABO Credit, equal to €4.90. Higher levels add Bitcoin Proof and advanced services.

It is useful for authors, creators, photographers, agencies, startups, software houses, professional firms, consultants, businesses, publishers, designers, musicians, videomakers and teams that need verifiable digital proof.