Alternatives

Products that do what Notarize Anchor Doc Services Testatur does

Verifiable proof of document existence on blockchain.

1. 1
   Woleet▲73

   Bitcoin-anchored proof that documents are authentic

   May 2026 · woleet.io

2. 2
   Notarize▲397

   Legally notarize your documents online, anytime.

   2016

3. 3
   Blockusign▲93

   Secure Document Signing & Verification Powered by Blockchain

   2018

4. 4
   SBIX Certify▲13

   ✨ Instant legal proof-of-existence for any document.

   Dec 2025

5. 5
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019

6. 6DN
   DocStamp – Notarize documents on the Ethereum blockchain▲8

   2017 · docstamp.io

7. 7
   yousaidthat.org▲63

   Prove that you said things before anyone else

   Jun 2026 · yousaidthat.org

8. 8HA
   Hash Archive helps you verify the hashes of insecure downloads▲52

   2016 · hash-archive.org

9. 9
   Claimby▲107

   Free legally-valid timestamps for your files, ideas & art.

   2018

10. 10
    Legitify▲106

    Compliant cross-border notarization, reimagined.

    Apr 2026 · legitify.eu

11. 11
    Blocknify▲71

    Sign sensitive documents without sacrificing your privacy.

    2018

12. 12
    DataTrails▲111

    Content verification & misuse protection for Dropbox files

    2023

13. 13
    TimeSeal▲116

    Restoring digital trust, one blockchain timestamp at a time

    2023

14. 14BT
    btproof - trusted timestamping on the Bitcoin blockchain▲75

    2013 · btproof.com

15. 15
    DocVerify — CYBERPUNK NOTARY▲3

    Blockchain notary for documents, photos & Notion – $0.50

    Jun 2026

16. 16
    Orbit▲102

    No limits Crypto wagering app

    2018

17. 17VA
    Vekos – a Rust OS with Built-In Cryptographic Verification▲82

    VEKOS(Verified Experimental Kernel OS) is a Rust-based experimental kernel that focuses on runtime verification and security. Every filesystem operation and memory allocation generates cryptographic proofs that can be verified in real-time, ensuring system integrity. Think of it like a blockchain for OS operations rather than just storage verification. Key features: - Merkle tree-backed filesystem with operation verification - Memory manager with CoW and proof generation - Buddy allocator with zone-based memory management - Shell with VT100 support - Verified boot sequence with stage…

    2024 · github.com

18. 18CP
    CryptoProof – post proofs to the Ethereum blockchain for free▲55

    2018 · cryptoproof.org

19. 19
    Set in Block▲77

    Blockchain-based permanent message creator and reader

    2018

20. 20
    Chain Proof▲1

    Blockchain transactions to professional PDF documents

    Jan 2026

21. 21
    docuProof — Blockchain-Anchored Proof

    Your file's alibi. Timestamped proof of any file, forever.

    Mar 2026 · docuproof.io

22. 22
    DocProof▲2

    Cryptographic timestamps for documents — no file storage

    Jul 2026 · docproof.app

23. 23SI
    Stampd.io - A document blockchain stamping service▲32

    2015 · stampd.io

24. 24
    Incipite▲2

    Proof that holds up without asking anyone to trust you.

    27d ago · incipite.com

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