Commerce · alternatives · 2026

24 alternatives to Signature Bounties: Secure Community Communication Platform for Crypto Projects

Secure Community Communication Platform for Crypto Projects

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Signature Bounties: Secure Community Communication Platform for Crypto Projects launched in 2018; newer entries below may have overtaken it.

1. 1
   Blockstack Signature Bounties▲76

   $25k to build an encrypted token portfolio app

   2017 · its alternatives →

2. 2
   Signature Bounties: Encrypted P2P Messaging▲13

   Encrypted P2P messaging with user controlled data

   2018 · its alternatives →

3. 3CO
   Cost of a 51% Attack on Popular Cryptocurrencies▲581

   2018 · crypto51.app · its alternatives →

4. 4
   blockslack.io▲78

   Chat for small teams — encrypted and decentralized

   2019 · its alternatives →

5. 5
   Stealthy▲94

   Messaging with blockchain identity and user controlled data

   2018 · its alternatives →

6. 6
   BountyHub▲344

   Monetizing GitHub issue resolution through bounties

   2024 · bountyhub.dev · its alternatives →

7. 7
   Blockstack Browser▲384

   A gateway to a new, decentralized internet

   2017 · its alternatives →

8. 8
   Firma.dev▲325

   E-signatures API for your app averaging ~3¢ per envelope

   Jun 2026 · firma.dev · its alternatives →

9. 9
   Stacks Accelerator▲159

   $50k Investment + 3 Month Program for Web 3.0 Startups

   2021 · its alternatives →

10. 10
    Blockstack Token▲147

    Blockstack is a new internet for decentralized apps

    2017 · its alternatives →

11. 11CI
    ChainBounty – improving the blockchain funding model▲11

    Abstract. Token-funded bounties to incentivize competition-style participation in blockchain development projects would result in wider and better allocation of investment, and allow investors to diversify exposure across a field of potentially successful projects. Overall this would increase the rate of progress within development of the blockchain space. We propose a centralised platform for the administration of token-funded bounty driven development projects whereby experts allocate pools of invested capital according to the technical merits of development projects, and investors are…

    2017 · its alternatives →

12. 12
    CallBox▲88

    Anonymous P2P messenger on blockchain technology

    2017 · its alternatives →

13. 13
    Concord▲69

    Create secure, digitally signed micro agreements

    2019 · its alternatives →

14. 14
    Cues.sg▲100

    Create smart contracts & dapps. No coding required.

    2022 · its alternatives →

15. 15
    Blockstack▲128

    A new internet for decentralized apps

    2016 · its alternatives →

16. 16
    ZBD Bots – Bitcoin magic for communities▲99

    Send Bitcoin as easily as texting in Discord and Telegram

    2022 · its alternatives →

17. 17
    Cryptowatch Social▲95

    The trusted discussion center for the crypto world

    2022 · its alternatives →

18. 18
    Crypto Roll Call▲80

    Community of people building the future of finance and web3

    2022 · its alternatives →

19. 19CA
    CryptoTask – a 0% fee freelance platform powered by blockchain▲134

    2021 · about.cryptotask.org · its alternatives →

20. 20
    BlockSign▲79

    Sign Your Docs Digitally Using Bitcoin

    2014 · its alternatives →

21. 21
    CryptoInfluence.io▲93

    First crypto influencer community

    2018 · its alternatives →

22. 22
    Cuely▲140

    Pay-as-you-go chatGPT Plus with 5M free token credits

    2023 · its alternatives →

23. 23BA
    Blocksign, a Bitcoin service for legally signing any document▲17

    2014 · blocksignit.com · its alternatives →

24. 24
    BlockFacts▲69

    An all-in-one analytics platform for Crypto.

    2020 · 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 →