Alternatives

Products that do what Proof of Failure does

Before Proof of Work, study Proof of Failure.

1. 1
   ProveSource 3.0▲236

   The #1 Social Proof Platform for your website

   2024

2. 2
   thirdweb▲896

   Build web3 apps and games, easily

   2021 · thirdweb.com

3. 3
   ProveSource▲98

   Boost your website conversions for free

   2018

4. 4
   ProveSource▲157

   Leverage social proof to boost mobile sales and conversions

   2018

5. 5
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019

6. 6LE
   Lost Ethereum▲18

   Hi guys, I've written the first proof-of-mistake crypto token on top of Ethereum. You can see it at http://www.lostethereum.com/ It's basically a proof-of-burn substitute for users who mistakenly sent to the wrong address. It requires a web3 enabled browser, i.e chome with MetaMask, Parity, Mist, etc. This let's the web interface seamlessly interact with the Ethereum network. Let me know what you guys think.

   2017

7. 7
   Proofmarked▲154

   Cybersecurity for everyone. Just in time for Black Friday!

   2023

8. 8
   DeepFake Safety▲11

   On-chain proof that a file is yours.

   Oct 2025

9. 9
   Proof It: The Game▲73

   A game to vote on the truthfulness of a fact or statement.

   2018

10. 10
    ProofGain▲89

    Supercharge your conversions with a simple social proof tool

    2019

11. 11
    yousaidthat.org▲63

    Prove that you said things before anyone else

    Jun 2026 · yousaidthat.org

12. 12
    ProveDone▲1

    Prove your agent actually did the work

    4d ago · provedone.gumroad.com

13. 13
    Proofs - AI Agents for Sales Engineering▲71

    Full-stack apps and PoCs in hours, not weeks.

    2025

14. 14CP
    CryptoProof – post proofs to the Ethereum blockchain for free▲55

    2018 · cryptoproof.org

15. 15
    Proof Of Time Travel▲87

    Using blockchain to prove time travel

    2018

16. 16
    Proof Crater▲5

    ZK-powered vault for anonymous payouts and state snapshots.

    Jan 2026

17. 17
    CBX▲2

    The Future of Digital Evidence

    Feb 2026 · cbx.app

18. 18
    Content Proof - Backup & Verify▲3

    Save disappearing tweets with cryptographic proof

    Feb 2026 · chromewebstore.google.com

19. 19
    Ledger & Lore▲3

    A free, sourced archive of 192 startup failures

    Jul 2026 · ledgerandlore.org

20. 20
    Optics-QA▲8

    One run: bug found, ticket written, fix prompt ready

    14d ago · optics-qa.com

21. 21
    Living Talent Graph▲8

    Decentralized identity for developers

    Oct 2025

22. 22
    AI Trust Proof: Secure Your Future▲6

    Earn trust today. Thrive with AI tomorrow.

    2025

23. 23
    SBIX Certify▲13

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

    Dec 2025 · certify.sbix.io

24. 24
    Proof of Nothing▲1

    Send crypto. Get nothing. Verifiably.

    Feb 2026 · proofofnothing.com

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