Alternatives

Products that do what btproof - trusted timestamping on the Bitcoin blockchain does

1. 1BC
   Bitcoinproof - Create a forgery-proof timestamp for your data▲8

   2013 · vog.github.io

2. 2
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015

3. 3BA
   Bit – A fast and easy Python Bitcoin library▲72

   2017 · github.com

4. 4MA
   Misocoin – A barebones Bitcoin-like protocol implemented in Python 3.6▲151

   2017 · github.com

5. 5
   TimeSeal▲116

   Restoring digital trust, one blockchain timestamp at a time

   2023

6. 6AB
   A Browser-based Blockchain▲186

   2017 · nimiq.com

7. 7AR
   A real-time Bitcoin transaction map▲33

   2014 · shuoyangdesign.com

8. 8BB
   Bitrated – Bitcoin m-of-n arbitrated transactions▲155

   2013 · bitrated.com

9. 9DP
   Decentralized P2P Messaging with Blockchain Verified Identities▲95

   2018 · stealthy.im

10. 10BV
    Bit v0.5.0 – Bitcoin made easy, now with SegWit support▲63

    2019 · github.com

11. 11IC
    Instant confirmation via Bitcoin payment protocol▲41

    2014 · greenaddress.it

12. 12BB
    BThread – Blockchain thread messaging and blog posting▲21

    2014 · chrome.google.com

13. 13MA
    Monocypher: a small, easy to use crypto library▲90

    2017 · loup-vaillant.fr

14. 14SI
    Stampd.io - A document blockchain stamping service▲32

    2015 · stampd.io

15. 15BC
    Blockchain Certification Protocol▲24

    2015 · github.com

16. 16AP
    A pure Python Bitcoin protocol implementation▲14

    2013 · protocoin.readthedocs.org

17. 17SA
    Snipbin – A Text Bin on the Ethereum Blockchain▲6

    2017 · producthunt.com

18. 18SA
    Solana – A permissionless clock for blockchain▲6

    2018 · medium.com

19. 19ME
    My experimental take on a decentralized ledger▲48

    2015 · github.com

20. 20DN
    DocStamp – Notarize documents on the Ethereum blockchain▲8

    2017 · docstamp.io

21. 21VI
    Verifying integrity of a website using the Blockchain and JavaScript▲6

    2017 · sealed.website

22. 22BC
    Blockchain calm: A blockchain playground▲6

    2018 · lorenzoongithub.github.io

23. 23AS
    A simple app to cryptographically time-lock files▲30

    2020 · github.com

24. 24SR
    Simple, Readable, Experimental Blockchain in Python▲11

    2018 · github.com

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