Alternatives

Products that do what Dawn does

A Blockchain Secured by Weather Observations.

1. 1
   Frost▲200

   An open API for Blockchain timestamping

   2018

2. 2BA
   Btfy – a blockchain that uses weather observations▲10

   Hi HN, I built Btfy, an experimental blockchain that uses weather observations as a source of unpredictability for consensus The motivation is simple. Proof of Work generates uncertainty by performing computations. I wanted to explore whether we could obtain some of that uncertainty from the real world instead. Btfy combines weather observation data with a Verifiable Delay Function (VDF): Weather Observation Data -> VDF -> Block -> Hash Chain In the current implementation, observation data is collected from multiple locations, a VDF is computed, and the result is used to generate a block.…

   Aug 2026 · github.com

3. 3
   Ledger Nano S▲339

   A secure Bitcoin and Ethereum hardware wallet

   2016

4. 4
   Lark▲117

   1st crypto app that correlates news to price in real time.

   2017

5. 5
   TransferChain Send▲591

   Blockchain-based secure & private file sharing for everyone

   2023

6. 6
   Blockchain as a Service by Microsoft▲278

   Develop, test, and deploy blockchain applications

   2017

7. 7
   Plasma Wallet▲272

   All-in-one Mobile App for your crypto, DeFi and NFTs

   2022

8. 8
   TimeSeal▲116

   Restoring digital trust, one blockchain timestamp at a time

   2023

9. 9
   Social Blockchain▲143

   Explore what the world is sharing

   2018

10. 10
    Evercoin▲324

    Safest cryptocurrency exchange and multicoin hardware wallet

    2017

11. 11
    Rainbow▲372

    A fun, simple, and secure Ethereum wallet

    2021

12. 12
    Bitcoin-Safe Desktop Wallet (FOSS)▲66

    Free & OpenSource software for managing cold storage wallets

    Apr 2026 · bitcoin-safe.org

13. 13
    Wallet Beta 1.0.0▲124

    Sleek looking, multi-cryptocurrencies desktop wallet

    2017

14. 14
    Orbit▲102

    No limits Crypto wagering app

    2018

15. 15
    Cryptocats▲118

    Cute little 8-bit cats on the Ethereum Blockchain

    2017

16. 16
    Set in Block▲77

    Blockchain-based permanent message creator and reader

    2018

17. 17
    WatchData▲111

    API service for Web3 projects

    2022

18. 18
    Blockfolio 2.0▲149

    Effortlessly manage all your crypto in one place.

    2018

19. 19
    Fluree▲84

    An enterprise secure scalable blockchain database

    2017

20. 20
    BlockCrypto▲128

    A search engine for the blockchain

    2018

21. 21
    BlockWallet▲127

    The most private, non-custodial crypto wallet

    2022

22. 22
    TxHash Blockchain as a Service▲120

    Cryptocurrency and smart contract event notifications

    2018

23. 23
    BlockchainNote.live▲70

    Note that can be changed by anyone, but only once an hour

    2022

24. 24
    Proof Of Time Travel▲87

    Using blockchain to prove time travel

    2018

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