Work · alternatives · 2026

24 alternatives to Block Notary

Bitcoin Blockchain as the notary for your photos and notes

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Block Notary launched in 2015; newer entries below may have overtaken it.

1. 1
   Hello, block!▲78

   Stripe for Bitcoin

   2014 · its alternatives →

2. 2
   Stampery▲11

   Send notaries on vacation using the blockchain

   2015 · its alternatives →

3. 3
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015 · its alternatives →

4. 4
   Circle for Bitcoin▲94

   Store and use bitcoin from your phone

   2014 · its alternatives →

5. 5
   BlockSign▲79

   Sign Your Docs Digitally Using Bitcoin

   2014 · its alternatives →

6. 6
   Stampd▲68

   A document blockchain stamping service

   2015 · its alternatives →

7. 7
   Ledger Wallet▲81

   An affordable and secure smartcard based Bitcoin wallet

   2015 · its alternatives →

8. 8
   Chain Wallet▲62

   Send bitcoin with your fingerprint

   2014 · its alternatives →

9. 9
   Crypto Stack▲193

   Curated collection of Blockchain & Cryptocurrency resources.

   2017 · its alternatives →

10. 10
    Blockedchain▲94

    An NFT collection only mintable by people blocked on Twitter

    2022 · its alternatives →

11. 11
    Dark Wallet▲78

    Next-gen privacy and security for Bitcoin, crowdsourced.

    2014 · its alternatives →

12. 12
    Digital Bitbox▲103

    A minimalist and secure Bitcoin hardware wallet

    2017 · its alternatives →

13. 13
    TxHash Blockchain as a Service▲120

    Cryptocurrency and smart contract event notifications

    2018 · its alternatives →

14. 14
    Blockusign▲93

    Secure Document Signing & Verification Powered by Blockchain

    2018 · its alternatives →

15. 15
    OneName▲92

    Decentralized whitepages for bitcoin

    2014 · its alternatives →

16. 16
    Stampery▲118

    Certify your emails using the blockchain

    2015 · its alternatives →

17. 17
    Coinbase▲137

    digital wallet to buy, use, and accept bitcoin

    2013 · its alternatives →

18. 18
    NotaryChains▲8

    NotaryChains-- On-chain file notarization & verification

    2025 · notarychains.com · its alternatives →

19. 19
    NoteChain▲109

    A beautiful note taking app running on Ethereum Blockchain

    2018 · its alternatives →

20. 20
    HelloBlock – Focus on building Bitcoin apps, not infrastructure▲34

    2014 · helloblock.io · its alternatives →

21. 21
    BlockCrypto▲128

    A search engine for the blockchain

    2018 · its alternatives →

22. 22
    CoinBase▲67

    Simple and secure BitCoin wallet and merchant toolset

    2014 · its alternatives →

23. 23
    BigchainDB▲105

    The scalable blockchain database.

    2016 · its alternatives →

24. 24
    bitcoinusername.com▲98

    Search For Bitcoin Users in the Blockchain

    2014 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →