Life & fun · alternatives · 2026

24 alternatives to 21

An 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▲22

   Embedded bitcoin mining chip

   2015 · its alternatives →

2. 2
   Bitproof▲113

   True certification in the bitcoin blockchain

   2015 · its alternatives →

3. 3
   Chain Wallet▲62

   Send bitcoin with your fingerprint

   2014 · its alternatives →

4. 4
   Bitseed▲7

   A plug-and-play Bitcoin full node computer

   2017 · its alternatives →

5. 5
   Digital Bitbox▲103

   A minimalist and secure Bitcoin hardware wallet

   2017 · bitbox.swiss · its alternatives →

6. 6
   LittleBits - the bitLab▲84

   The Marketplace For User-Generated Hardware

   2014 · edu.sphero.com · its alternatives →

7. 7
   bit.ink▲75

   The Hacker News of Cryptocurrency

   2014 · bit.ink · its alternatives →

8. 8
   Mynt▲56

   Bitcoin Tracking made easy!

   2014 · mynt.io · its alternatives →

9. 9
   Hello, block!▲78

   Stripe for Bitcoin

   2014 · kubet886.cc · its alternatives →

10. 10
    Colored Coins▲58

    Bitcoin Minting Protocol

    2013 · coloredcoins.org · its alternatives →

11. 11
    BlockChannel #2: Brendan Eich▲61

    Creator of Javascript - Making Bitcoin great

    2017 · soundcloud.com · its alternatives →

12. 12
    Dark Wallet▲78

    Next-gen privacy and security for Bitcoin, crowdsourced.

    2014 · darkwallet.is · its alternatives →

13. 13
    SFOX▲104

    Algorithmic bitcoin trading: Safe & Smart

    2014 · sfox.com · its alternatives →

14. 14
    Neuroware▲18

    Tools and infrastructure for building Bitcoin applications

    2014 · neuroware.io · its alternatives →

15. 15
    Coinalytics▲71

    Bitcoin analytics done right.

    2014 · coinalytics.co · its alternatives →

16. 16
    Onarbor▲72

    fully-blockchained university

    2014 · its alternatives →

17. 17
    BlockScore▲106

    The intelligent ID verification system

    2014 · plaid.com · its alternatives →

18. 18
    Mirror▲81

    An Escrow Exchange for Bitcoin Trading

    2014 · mirrorx.jimdosite.com · its alternatives →

19. 19
    Coinmotion▲74

    Screw waiting. Buy Bitcoin instantly.

    2014 · coinmotion.com · its alternatives →

20. 20
    Assembly Coins▲79

    Create your own Cryptocurrency on the Bitcoin blockchain

    2014 · its alternatives →

21. 21
    Lamassu▲66

    An ATM for Bitcoin

    2015 · lamassu.is · its alternatives →

22. 22
    ECOS▲19

    Mine Bitcoin for 30 days. No hardware. No commitment.

    Apr 2026 · ecos.am · its alternatives →

23. 23LP
    Low-power, distributed cryptocurrency mining for charity▲6

    2015 · computeforhumanity.org · its alternatives →

24. 24BA
    Bitbanter, an anonymous bitcoin-reddit-McSweeneys mashup.▲9

    2013 · bitbanter.com · 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 →