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. 1SI
   Stampd.io - A document blockchain stamping service▲32

   2015 · stampd.io · its alternatives →

2. 2
   Stampery▲118

   Certify your emails using the blockchain

   2015 · its alternatives →

3. 3
   Sia▲159

   Decentralized storage on the blockchain

   2017 · its alternatives →

4. 4
   Stamplay▲248

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

   2014 · its alternatives →

5. 5
   Stampsy▲50

   A single place to share, curate and discover visual content

   2015 · its alternatives →

6. 6
   Stamplay 2.0▲257

   IFTTT for software development

   2015 · its alternatives →

7. 7
   Onarbor▲72

   fully-blockchained university

   2014 · its alternatives →

8. 8
   BlockSign▲79

   Sign Your Docs Digitally Using Bitcoin

   2014 · its alternatives →

9. 9
   Stampery for iOS▲104

   Certify voice notes, photos or files using the Blockchain

   2015 · its alternatives →

10. 10
    Stellar▲143

    Decentralized protocol for real-world currencies

    2014 · its alternatives →

11. 11
    bit.ink▲75

    The Hacker News of Cryptocurrency

    2014 · its alternatives →

12. 12AB
    A Browser-based Blockchain▲186

    2017 · nimiq.com · its alternatives →

13. 13
    Chain▲125

    The Block Chain API for Developers

    2014 · its alternatives →

14. 14
    Bitproof▲113

    True certification in the bitcoin blockchain

    2015 · its alternatives →

15. 15
    Stampsy▲116

    A single place to share, curate and discover visual content

    2015 · its alternatives →

16. 16
    Hello, block!▲78

    Stripe for Bitcoin

    2014 · its alternatives →

17. 17
    BlockScore▲106

    The intelligent ID verification system

    2014 · its alternatives →

18. 18
    Stampery▲11

    Send notaries on vacation using the blockchain

    2015 · its alternatives →

19. 19
    Stamplia▲80

    Email templates marketplace

    2014 · its alternatives →

20. 20
    Colored Coins▲58

    Bitcoin Minting Protocol

    2013 · its alternatives →

21. 21
    BigchainDB▲105

    The scalable blockchain database.

    2016 · its alternatives →

22. 22
    Coindexter▲111

    A wiki for long-term investors in blockchain networks

    2017 · its alternatives →

23. 23
    Stamp for iOS▲86

    Create and share personalized experiences

    2015 · its alternatives →

24. 24
    Crypto All-Stars Trading Cards▲125

    Trading cards on the blockchain.

    2018 · 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 →