Crypto tools
Proxae
Certify your texts, ideas and files with a Bitcoin blockchain timestamp
- Votes
- 0
- DR (Ahrefs)
- 38 +1 (up) since last check
Ahrefs Domain Rating reported 28 Oct 2026, restated 26 Oct 2026.
A digital certification service that timestamps your content on the Bitcoin blockchain to prove prior existence, with optional eIDAS-qualified timestamps for
Overview
Proxae lets you certify texts, ideas, and files by computing their SHA-256 fingerprint in your browser and anchoring it to the Bitcoin blockchain via OpenTimestamps. Your original content never leaves your device—only its fingerprint is sent to a decentralized registry maintained by thousands of computers worldwide. The free plan includes unlimited Bitcoin anchoring and REST API access. The Pro plan adds RFC 3161 qualified timestamps from Sectigo, eIDAS-compliant PDF certificates with legal weight in European courts, encrypted content storage, and enhanced web page capture. Proofs remain independently verifiable forever, even if Proxae shuts down, using the .ots file or third-party verification tools like opentimestamps.org.
Feature summary
- Bitcoin anchoring via OpenTimestamps protocol
- SHA-256 fingerprint computed locally in browser
- REST API for integration and automation
- RFC 3161 qualified timestamps for European legal recognition
- eIDAS-qualified PDF certificates from Sectigo
- Web page capture and archiving
- Optional identity verification via Stripe Identity
- Webhook notifications for proof confirmation
- Independent verification via opentimestamps.org
- AES-256-GCM encryption for Pro stored content
Pricing
Pricing model: Freemium
Free plan: €0, includes unlimited Bitcoin certification, shareable proof links, REST API, and 3 web page captures per day. Pro plan: €4.90/month, adds RFC 3161 timestamping, eIDAS qualified certificates, official PDF certificates, 20 web page captures per day, and identity verification.
Proxae metrics
Reported for proxae.com: Ahrefs Domain Rating and Majestic link figures, with the movement since the prior report.
- Domain Rating
- 38
- +1 (up) since last check
- Trust Flow
- 21
- no change since last check
- Citation Flow
- 32
- no change since last check
- Referring domains
- 32
- no change since last check
- External backlinks
- 251
- no change since last check
Ahrefs Domain Rating reported 28 Oct 2026, restated 26 Oct 2026. Principal topic: Regional/Europe (20). Majestic reported 25 Oct 2026, restated 25 Oct 2026. Link figures sourced from Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
Proxae domain summary
Show the domain summary
Read from the public RDAP record on 27 Oct 2026, 17:32 UTC.
- Domain age
- 8 years
- Registered
- Expires
- Registrar
- OVH sas
- DNSSEC
- Not signed
Compare and explore
See the alternatives to Proxae, AlphaGainDaily vs Proxae, P2P Companion vs Proxae, J Tools vs Proxae, THEMIS For Crypto vs Proxae, FeeEdge vs Proxae, web3juice vs Proxae, more in Crypto tools or startups in Spain.
Q&A
- What is eIDAS qualified timestamping?
- The European eIDAS regulation recognizes certain timestamps as having the same legal value as a notarized act. Sectigo's RFC 3161 timestamp is qualified under ETSI EN 319 422, giving it maximum probative force before European courts.
- Is Bitcoin certification enough for legal use?
- Bitcoin anchoring mathematically proves prior existence—verifiable by anyone without a trusted third party. For intellectual property, ideas, and correspondence it is more than sufficient. For contracts, the Pro version adds European legal recognition.
- Can I cancel my Pro subscription at any time?
- Yes, with no commitment or fees. Cancellation takes effect at the end of the current period. Your Pro proofs remain accessible and verifiable even after cancellation.
- How long before my proof is confirmed on Bitcoin?
- Between 1 and 3 hours in general. The Bitcoin network produces a new block approximately every 10 minutes. Proxae automatically checks and updates your status upon confirmation.
- What happens if Proxae shuts down?
- Your proofs are permanent and verifiable forever independently of Proxae. The Bitcoin registry is decentralized and cannot be controlled by any single entity. Your .ots file is enough to verify your proof forever via opentimestamps.org or CLI.
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