Life & fun · alternatives · 2026

24 alternatives to Blocksign, a Bitcoin service for legally signing any document

Blockchain is a wonderful record keeper that can track every transaction that happens in the string.

Blocksign is a service that uses Bitcoin's blockchain technology to create legally binding electronic signatures on documents. Users can upload any document and digitally sign it, with the signature recorded on the… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Blocksign, a Bitcoin service for legally signing any document launched in 2014; newer entries below may have overtaken it.

1. 1
   Blockusign▲93

   Secure Document Signing & Verification Powered by Blockchain

   2018 · blockusign.co · its alternatives →

2. 2
   BlockSign▲79

   Sign Your Docs Digitally Using Bitcoin

   2014 · blocksignit.com · its alternatives →

3. 3
   Blocknify▲71

   Sign sensitive documents without sacrificing your privacy.

   2018 · its alternatives →

4. 4
   The Bitcoin Note – Secure, Self-Custodial Bitcoin Wallets in Cash Form▲344

   The Bitcoin Note: Physical secure Bitcoin that you can easily share, spend or hold.

   2022 · offline.cash · its alternatives →

5. 5
   WorkHub eSignature▲284

   Affordable digital signature software

   2022 · workhub.ai · its alternatives →

6. 6
   DoxyChain▲60

   Certificates and eSignatures on the blockchain

   2023 · its alternatives →

7. 7BT
   btproof - trusted timestamping on the Bitcoin blockchain▲75

   Find information, resources and relevant links for btproof.com. This domain may be for sale.

   2013 · btproof.com · its alternatives →

8. 8
   Blockchain as a Service by Microsoft▲278

   Develop, test, and deploy blockchain applications

   2017 · azure.microsoft.com · its alternatives →

9. 9
   NoteChain▲109

   A beautiful note taking app running on Ethereum Blockchain

   2018 · its alternatives →

10. 10SW
    Signed Work – NFTs, without a blockchain▲33

    2021 · signed.work · its alternatives →

11. 11
    BlockScribe▲70

    Leave your mark on the Bitcoin or Ethereum blockchain

    2022 · blockscribe.net · its alternatives →

12. 12
    DeedSign▲86

    Free electronic signatures to sign documents

    2024 · deedsign.com · its alternatives →

13. 13
    Squarelink▲77

    Sign blockchain transactions with just an email and password

    2018 · squarelink.com · its alternatives →

14. 14
    Stripe Bitcoin▲255

    Start Accepting Bitcoin

    2015 · stripe.com · its alternatives →

15. 15
    Stampd.io - A document blockchain stamping service▲32

    Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.

    2015 · stampd.io · its alternatives →

16. 16
    Document eSign▲56

    Cloud based platform for electronic signatures

    2021 · documentesign.com · its alternatives →

17. 17
    TxHash Blockchain as a Service▲120

    Cryptocurrency and smart contract event notifications

    2018 · its alternatives →

18. 18
    signyourpdf▲12

    Secure PDF signatures with blockchain. Fast & reliable.

    2025 · signyourpdf.net · its alternatives →

19. 19
    EtherSign▲3

    Document signing on the blockchain! ✍️

    2018 · ethersign.surge.sh · its alternatives →

20. 20
    Woleet▲73

    Bitcoin-anchored proof that documents are authentic

    May 2026 · woleet.io · its alternatives →

21. 21
    OpenSign™: Open Source DocuSign & more▲109

    Enterprise-Level Document Signing Goes Open-Source

    2023 · opensignlabs.com · its alternatives →

22. 22
    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 →

23. 23SV
    Seal – Verifiable timestamp for your private ideas▲113

    2022 · docs.planet.ink · its alternatives →

24. 24
    EthSign▲8

    Sign contracts using your web3 wallet address

    2023 · ethsign.xyz · 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 →