Commerce · alternatives · 2026

24 alternatives to DoxyChain

Certificates and eSignatures on the blockchain

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. DoxyChain launched in 2023; newer entries below may have overtaken it.

1. 1
   Blockusign▲93

   Secure Document Signing & Verification Powered by Blockchain

   2018 · its alternatives →

2. 2
   Blocknify▲71

   Sign sensitive documents without sacrificing your privacy.

   2018 · its alternatives →

3. 3
   Stampery▲118

   Certify your emails using the blockchain

   2015 · its alternatives →

4. 4
   Dock Certs▲81

   Make any data fraud-proof and instantly verifiable

   2023 · its alternatives →

5. 5
   BlockSign▲79

   Sign Your Docs Digitally Using Bitcoin

   2014 · its alternatives →

6. 6
   DL3ARN▲234

   Digitize & verify credentials in the blockchain

   2023 · its alternatives →

7. 7
   NoteChain▲12

   Decentralized encrypted notes

   Sep 2025 · its alternatives →

8. 8
   Cryptohire▲187

   Hire blockchain developers, pay them in crypto

   2018 · its alternatives →

9. 9
   Versiobit▲83

   Archives your files, versioned and audit-proof by Blockchain

   2023 · its alternatives →

10. 10
    Bitproof▲113

    True certification in the bitcoin blockchain

    2015 · its alternatives →

11. 11
    Mantle SAFEs▲145

    Issue & sign SAFEs for free. No DocuSign required.

    Apr 2026 · withmantle.com · its alternatives →

12. 12
    Proxeus▲80

    Create blockchain-ready workflows, own your data

    2023 · its alternatives →

13. 13
    TxHash Blockchain as a Service▲120

    Cryptocurrency and smart contract event notifications

    2018 · its alternatives →

14. 14
    Let's Seal – Let's Encrypt for document signing, free and self-hosted▲94

    TLDR, Let's Seal gives the finger to Adobe and every doc signing tool (docusign, google, etc) who pay to play with the Adobe Approved Trust List and then charge you for something that should be free. Currently even the person checking if a document/contract is sealed or code is authentic has to also be inside the same Adobe walled garden too. Verification, the part that should be free is the part everyone charges for. Thats the shape Let's Encrypt fixed for TLS, and I wanted the same thing for documents and files. The core idea therefore needed to go a bit beyond e signatures and i…

    Jul 2026 · github.com · its alternatives →

15. 15
    signyourpdf▲12

    Secure PDF signatures with blockchain. Fast & reliable.

    2025 · its alternatives →

16. 16
    TimeSeal▲116

    Restoring digital trust, one blockchain timestamp at a time

    2023 · its alternatives →

17. 17BA
    Blocksign, a Bitcoin service for legally signing any document▲17

    2014 · blocksignit.com · its alternatives →

18. 18
    OpenSign™: Open Source DocuSign & more▲109

    Enterprise-Level Document Signing Goes Open-Source

    2023 · its alternatives →

19. 19
    Woleet▲73

    Bitcoin-anchored proof that documents are authentic

    May 2026 · woleet.io · its alternatives →

20. 20
    EthSign▲8

    Sign contracts using your web3 wallet address

    2023 · its alternatives →

21. 21SI
    Stampd.io - A document blockchain stamping service▲32

    2015 · stampd.io · its alternatives →

22. 22
    Reblo▲71

    Provides document immutability and security using blockchain

    2023 · its alternatives →

23. 23
    w3safe▲80

    Protect your ideas and files on the blockchain for free

    2023 · its alternatives →

24. 24BC
    Blockchain Certification Protocol▲24

    2015 · github.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →