Alternatives

Products that do what Bitcoinproof - Create a forgery-proof timestamp for your data does

1. 1BT
   btproof - trusted timestamping on the Bitcoin blockchain▲75

   2013 · btproof.com

2. 2
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015

3. 3IM
   I made a site that lets you bet against Bitcoin Hash Rate Volatility▲128

   2013 · futureblock.com

4. 4
   TimeProof▲5

   Prove it existed. Permanently.

   Jan 2026

5. 5BA
   Bit – A fast and easy Python Bitcoin library▲72

   2017 · github.com

6. 6MA
   Misocoin – A barebones Bitcoin-like protocol implemented in Python 3.6▲151

   2017 · github.com

7. 7
   TimeSeal▲116

   Restoring digital trust, one blockchain timestamp at a time

   2023

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

   2013 · bitrated.com

9. 9AS
   A simple app to cryptographically time-lock files▲30

   2020 · github.com

10. 10CA
    Coinspotting - A Hacker News For Bitcoins and Other Cryptocurrencies▲117

    2013 · coinspotting.com

11. 11SV
    Seal – Verifiable timestamp for your private ideas▲113

    2022 · docs.planet.ink

12. 12
    yousaidthat.org▲63

    Prove that you said things before anyone else

    Jun 2026 · yousaidthat.org

13. 13IM
    I made a new kind of Trusted Timestamp based on plaintext encoding▲5

    I've just launched a new site that creates Trusted Timestamps. Anyone can use it to make any data immutable going forward in time. By "verifying" a Trusted Timestamp against a file, you certify that file has not been altered since the time the Trusted Timestamp was created at. Trusted Timestamps are not a new idea, there is a standard defined in RFC3161 and some other prior work as well. My design though is different as it is based on plain-text, human readable files. I believe this makes this form of Trusted Timestamp more accessible for a wider set of applications. I found the RFC3161…

    2024 · timestampit.com

14. 14AR
    A real-time Bitcoin transaction map▲33

    2014 · shuoyangdesign.com

15. 15
    Claimby▲107

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

    2018

16. 16HO
    Historical order book reconstruction API for crypto markets▲78

    2019 · tardis.dev

17. 17BV
    Bit v0.5.0 – Bitcoin made easy, now with SegWit support▲63

    2019 · github.com

18. 18HM
    Home-made crypto in the browser▲37

    2017 · requirebin.com

19. 19AB
    Anonymous Bitcoin Lottery▲35

    2013 · btc-l.com

20. 20WA
    Write (almost) perfect encryption in an hour▲14

    2015 · github.com

21. 21CS
    Cryptomove – security via data concealment, last-line data defense▲31

    2015 · cryptomove.com

22. 22RB
    Realtime Bitcoin Data, BitJoy▲7

    2013 · bitjoy.org

23. 23AT
    A tamper-proof JavaScript data ledger▲6

    2021 · github.com

24. 24BA
    Blocksign, a Bitcoin service for legally signing any document▲17

    2014 · blocksignit.com

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