Life & fun · alternatives · 2026

24 alternatives to Stampd

A document blockchain stamping service

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

1. 1
   Stampery▲118

   Certify your emails using the blockchain

   2015 · stampery.com · its alternatives →

2. 2
   Stampd.io - A document blockchain stamping service▲32

   Use the public blockchains to timestamp your files with indelible proof. Create non-fungible tokens (NFT) in Cardano.

   2015 · stampd.io · its alternatives →

3. 3
   Stamplay▲248

   A frontend developer's dream: IFTTT for modern applications.

   2014 · its alternatives →

4. 4
   Stampsy▲50

   A single place to share, curate and discover visual content

   2015 · stampsy.com · its alternatives →

5. 5
   Onarbor▲72

   fully-blockchained university

   2014 · its alternatives →

6. 6
   BlockSign▲79

   Sign Your Docs Digitally Using Bitcoin

   2014 · blocksignit.com · its alternatives →

7. 7
   Stampery for iOS▲104

   Certify voice notes, photos or files using the Blockchain

   2015 · apps.apple.com · its alternatives →

8. 8
   Stellar▲143

   Decentralized protocol for real-world currencies

   2014 · stellar.org · its alternatives →

9. 9
   bit.ink▲75

   The Hacker News of Cryptocurrency

   2014 · bit.ink · its alternatives →

10. 10
    Chain▲125

    The Block Chain API for Developers

    2014 · chain.com · its alternatives →

11. 11
    Bitproof▲113

    True certification in the bitcoin blockchain

    2015 · its alternatives →

12. 12
    Stampsy▲116

    A single place to share, curate and discover visual content

    2015 · stampsy.com · its alternatives →

13. 13
    Hello, block!▲78

    Stripe for Bitcoin

    2014 · kubet886.cc · its alternatives →

14. 14
    BlockScore▲106

    The intelligent ID verification system

    2014 · plaid.com · its alternatives →

15. 15
    Stampery▲11

    Send notaries on vacation using the blockchain

    2015 · stampery.com · its alternatives →

16. 16
    Stamplia▲80

    Email templates marketplace

    2014 · unstoppable.ai · its alternatives →

17. 17
    Coin Out▲64

    The digital coin jar

    2014 · its alternatives →

18. 18
    Chain Wallet▲62

    Send bitcoin with your fingerprint

    2014 · its alternatives →

19. 19
    Colored Coins▲58

    Bitcoin Minting Protocol

    2013 · coloredcoins.org · its alternatives →

20. 20
    BigchainDB▲105

    The scalable blockchain database.

    2016 · bigchaindb.com · its alternatives →

21. 21
    Coindexter▲111

    A wiki for long-term investors in blockchain networks

    2017 · its alternatives →

22. 22
    Stamp for iOS▲86

    Create and share personalized experiences

    2015 · usestamp.com · its alternatives →

23. 23
    Crypto All-Stars Trading Cards▲125

    Trading cards on the blockchain.

    2018 · its alternatives →

24. 24
    STAMPD.IO▲5

    Use the Blockchain to timestamp files with indelible proof.

    2019 · stampd.io · 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 →