Alternatives

Products that do what Aluchin does

Tamper-proof document verification on the blockchain

1. 1
   Blockusign▲93

   Secure Document Signing & Verification Powered by Blockchain

   2018

2. 2
   Woleet▲73

   Bitcoin-anchored proof that documents are authentic

   May 2026 · woleet.io

3. 3
   Claimby▲107

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

   2018

4. 4
   BlockFact▲5

   Tamper-proof photos in 5 seconds—from capture to blockchain

   May 2026 · blockfact.io

5. 5
   yousaidthat.org▲63

   Prove that you said things before anyone else

   Jun 2026 · yousaidthat.org

6. 6
   Proof.ink▲100

   Proven immutable data stored on the Steem blockchain

   2019

7. 7BT
   btproof - trusted timestamping on the Bitcoin blockchain▲75

   2013 · btproof.com

8. 8
   UVerify▲3

   Records tamper-proof fingerprints on the Cardano blockchain

   May 2026 · uverify.io

9. 9
   Zombie Delete▲89

   Docusign for provable deletion - anywhere, everywhere.

   Apr 2026 · zombiedelete.com

10. 10
    Blocknify▲71

    Sign sensitive documents without sacrificing your privacy.

    2018

11. 11
    ProofDeed — Blockchain Certification▲2

    Court-admissible blockchain document certification

    Jun 2026 · proofdeed.com

12. 12CP
    CryptoProof – post proofs to the Ethereum blockchain for free▲55

    2018 · cryptoproof.org

13. 13
    Harjoot

    Secure & verify documents with blockchain

    Mar 2026

14. 14
    ProofTrail™▲2

    Tamper-evident proof for document delivery & handoffs

    19d ago · prooftrail.tech

15. 15
    OnchainInvoice▲4

    Tamper-evident crypto invoicing with verifiable receipts

    Jan 2026

16. 16DN
    DocStamp – Notarize documents on the Ethereum blockchain▲8

    2017 · docstamp.io

17. 17
    Mugiwara Security▲16

    Proves vulnerabilities before reporting them.

    8d ago · dashboard-seven-self-13.vercel.app

18. 18SI
    Stampd.io - A document blockchain stamping service▲32

    2015 · stampd.io

19. 19
    Notarize Anchor Doc Services Testatur▲1

    Verifiable proof of document existence on blockchain.

    Mar 2026

20. 20
    Giblet▲2

    Prove which signed document is the real final version

    Jul 2026 · giblet.app

21. 21
    TimeProof▲5

    Prove it existed. Permanently.

    Jan 2026

22. 22
    DocProof▲2

    Cryptographic timestamps for documents — no file storage

    Jul 2026 · docproof.app

23. 23
    TimeBinder

    Prove your files existed before AI could rewrite them

    Mar 2026

24. 24
    Proof Crater▲5

    ZK-powered vault for anonymous payouts and state snapshots.

    Jan 2026

Ranked by how close each launch is in meaning, then by votes. Refine with a description →