Alternatives

Products that do what TransactProof does

From tx-hash to PDF proof — instantly.

1. 1
   Chain Proof▲1

   Blockchain transactions to professional PDF documents

   Jan 2026 · chainproof.app

2. 2
   TxHash Blockchain as a Service▲120

   Cryptocurrency and smart contract event notifications

   2018

3. 3BT
   btproof - trusted timestamping on the Bitcoin blockchain▲75

   2013 · btproof.com

4. 4
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015

5. 5CP
   CryptoProof – post proofs to the Ethereum blockchain for free▲55

   2018 · cryptoproof.org

6. 6
   DL3ARN▲234

   Digitize & verify credentials in the blockchain

   2023

7. 7
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019

8. 8
   TokenTax▲227

   Crypto taxes made easy. TurboTax for cryptocurrency.

   2018

9. 9
   Blocknify▲71

   Sign sensitive documents without sacrificing your privacy.

   2018

10. 10
    Blockpeek▲8

    TXIDs, decoded. Even from screenshots.

    Nov 2025

11. 11
    Woleet▲73

    Bitcoin-anchored proof that documents are authentic

    May 2026 · woleet.io

12. 12
    BlockSign▲79

    Sign Your Docs Digitally Using Bitcoin

    2014

13. 13
    Set in Block▲77

    Blockchain-based permanent message creator and reader

    2018

14. 14
    Claimby▲107

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

    2018

15. 15
    SBIX Certify▲13

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

    Dec 2025 · certify.sbix.io

16. 16
    Blockusign▲93

    Secure Document Signing & Verification Powered by Blockchain

    2018

17. 17
    Trivial▲107

    Google for Ethereum Blockchain

    2018

18. 18
    Blockpit.io▲95

    Easy crypto tax calculation with optimized results

    2018

19. 19BA
    Blocksign, a Bitcoin service for legally signing any document▲17

    2014 · blocksignit.com

20. 20
    Blockstrap▲77

    HTML5 framework and API for Bitcoin, Litecoin, and Dogecoin

    2014

21. 21IC
    Instant confirmation via Bitcoin payment protocol▲41

    2014 · greenaddress.it

22. 22EC
    Ethereum Canvas – Draw on the blockchain▲69

    2017 · ethereumcanvas.com

23. 23BC
    Bitcoin Challenge. Try to steal a plain text private key you can use▲14

    Hi HN, I'm releasing my round one public demo of a new browser security system I've been developing. There's a real Bitcoin private key (worth $20) in plaintext at app.redactsure.com. You can copy it, paste it, delete it, move it around - full control. But you can't see the actual characters or extract them. The challenge: Break the protection and take the Bitcoin. First person wins, challenge ends. Details: - Requires email verification (prevents abuse, no account needed) - 15 minute time limit per session - Currently US only for the demo (latency) - Verify the Bitcoin is real:…

    2025 · app.redactsure.com

24. 24BC
    Bitcoinproof - Create a forgery-proof timestamp for your data▲8

    2013 · vog.github.io

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