Commerce · alternatives · 2026

24 alternatives to Chain Proof

Blockchain transactions to professional PDF documents

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   TransactProof▲3

   From tx-hash to PDF proof — instantly.

   Nov 2025 · app.transactproof.com · its alternatives →

2. 2
   TransferChain Send▲591

   Blockchain-based secure & private file sharing for everyone

   2023 · send.transferchain.io · its alternatives →

3. 3BT
   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 →

4. 4
   TxHash Blockchain as a Service▲120

   Cryptocurrency and smart contract event notifications

   2018 · its alternatives →

5. 5
   ChainClarity▲299

   Grasp new crypto in minutes with AI-powered explanations

   2024 · chainclarity.io · its alternatives →

6. 6
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015 · its alternatives →

7. 7
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019 · proof.ink · its alternatives →

8. 8
   Blocknify▲71

   Sign sensitive documents without sacrificing your privacy.

   2018 · its alternatives →

9. 9
   Chainkit from PencilDATA▲69

   Add blockchain integrity to your data and apps in 5 minutes

   2018 · its alternatives →

10. 10
    Reblo▲71

    Provides document immutability and security using blockchain

    2023 · reblo-services.com · its alternatives →

11. 11
    Very basic blockchain-free cryptocurrency PoC in Python▲171

    Very basic blockchain-free cryptocurrency PoC in Python - spipm/crackcoin

    2017 · github.com · its alternatives →

12. 12
    Woleet▲73

    Bitcoin-anchored proof that documents are authentic

    May 2026 · woleet.io · its alternatives →

13. 13
    Blockusign▲93

    Secure Document Signing & Verification Powered by Blockchain

    2018 · blockusign.co · its alternatives →

14. 14
    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 →

15. 15
    NoteChain▲109

    A beautiful note taking app running on Ethereum Blockchain

    2018 · its alternatives →

16. 16
    Proxeus▲80

    Create blockchain-ready workflows, own your data

    2023 · doc.proxeus.org · its alternatives →

17. 17
    CHAINPOINT▲72

    Anchor an unlimited amount of data to multiple blockchains.

    2017 · chainpoint.org · its alternatives →

18. 18
    signyourpdf▲12

    Secure PDF signatures with blockchain. Fast & reliable.

    2025 · signyourpdf.net · its alternatives →

19. 19
    Set in Block▲77

    Blockchain-based permanent message creator and reader

    2018 · setinblock.com · its alternatives →

20. 20
    Safescan▲73

    Anti money laundering and KYC analysis for a crypto address

    2023 · cyberscope.io · its alternatives →

21. 21
    Blocksign, a Bitcoin service for legally signing any document▲17

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

    2014 · blocksignit.com · its alternatives →

22. 22
    Proof of Existence▲6

    Have a document certified in the Bitcoin blockchain

    2015 · proofofexistence.com · its alternatives →

23. 23
    ProvenDB▲67

    Bridging the gap between databases and blockchains

    2019 · its alternatives →

24. 24
    BlockScribe▲70

    Leave your mark on the Bitcoin or Ethereum blockchain

    2022 · blockscribe.net · 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 →