Life & fun · alternatives · 2026

24 alternatives to 21

Embedded bitcoin mining chip

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. 21 launched in 2015; newer entries below may have overtaken it.

1. 1
   21▲2

   An embedded bitcoin mining chip

   2015 · its alternatives →

2. 2
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015 · its alternatives →

3. 3
   bit.ink▲75

   The Hacker News of Cryptocurrency

   2014 · bit.ink · its alternatives →

4. 4
   Chain Wallet▲62

   Send bitcoin with your fingerprint

   2014 · its alternatives →

5. 5
   LittleBits - the bitLab▲84

   The Marketplace For User-Generated Hardware

   2014 · edu.sphero.com · its alternatives →

6. 6
   BlockChannel #2: Brendan Eich▲61

   Creator of Javascript - Making Bitcoin great

   2017 · soundcloud.com · its alternatives →

7. 7
   Mynt▲56

   Bitcoin Tracking made easy!

   2014 · mynt.io · its alternatives →

8. 8
   Hello, block!▲78

   Stripe for Bitcoin

   2014 · kubet886.cc · its alternatives →

9. 9
   Digital Bitbox▲103

   A minimalist and secure Bitcoin hardware wallet

   2017 · bitbox.swiss · its alternatives →

10. 10
    Bitseed▲7

    A plug-and-play Bitcoin full node computer

    2017 · its alternatives →

11. 11
    Colored Coins▲58

    Bitcoin Minting Protocol

    2013 · coloredcoins.org · its alternatives →

12. 12
    Coinalytics▲71

    Bitcoin analytics done right.

    2014 · coinalytics.co · its alternatives →

13. 13
    Neuroware▲18

    Tools and infrastructure for building Bitcoin applications

    2014 · neuroware.io · its alternatives →

14. 14
    Dark Wallet▲78

    Next-gen privacy and security for Bitcoin, crowdsourced.

    2014 · darkwallet.is · its alternatives →

15. 15
    Coinmotion▲74

    Screw waiting. Buy Bitcoin instantly.

    2014 · coinmotion.com · its alternatives →

16. 16
    SFOX▲104

    Algorithmic bitcoin trading: Safe & Smart

    2014 · sfox.com · its alternatives →

17. 17
    Onarbor▲72

    fully-blockchained university

    2014 · its alternatives →

18. 18
    Assembly Coins▲79

    Create your own Cryptocurrency on the Bitcoin blockchain

    2014 · its alternatives →

19. 19
    BlockScore▲106

    The intelligent ID verification system

    2014 · plaid.com · its alternatives →

20. 20
    Blockstrap▲77

    HTML5 framework and API for Bitcoin, Litecoin, and Dogecoin

    2014 · blockstrap.com · its alternatives →

21. 21
    ZeroBlock▲64

    Real-Time Bitcoin Market Data

    2014 · its alternatives →

22. 22
    Compact Coin▲77

    The tiny wallet that's huge on space

    2017 · noduscollection.com · its alternatives →

23. 23
    Analytx▲75

    Geo visualization of Bitcoin transactions

    2015 · ariadne.swiss · its alternatives →

24. 24
    Altpocket - BETA▲74

    Social gamification of your crypto portfolio

    2017 · 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 →