Alternatives

Products that do what LEA Blockchain does

Fully quantum-secure on-chain applications.

1. 1LA
   Legion, an as-simple-as-possible blockchain server written in Haskell▲239

   2017 · github.com

2. 2
   Blockchain as a Service by Microsoft▲278

   Develop, test, and deploy blockchain applications

   2017

3. 3
   QU3▲133

   Quantum-safe MCP servers for private, verifiable inference

   2025

4. 4AB
   A Browser-based Blockchain▲186

   2017 · nimiq.com

5. 5FI
   filippo.io/mlkem768 – Post-Quantum Cryptography for the Go Ecosystem▲315

   2024 · words.filippo.io

6. 6
   Lisk▲78

   Develop blockchain applications with JavaScript & Typescript

   2021

7. 7
   DeSo▲184

   The blockchain for decentralized social apps

   2021

8. 8
   Covalent▲97

   One stop shop for blockchain data through a unified API

   2021

9. 9
   Sia▲159

   Decentralized storage on the blockchain

   2017

10. 10
    Dappit▲107

    Your blockchain engineer that builds and deploys DAPPs

    Oct 2025

11. 11
    Alchemy▲187

    Blockchain development made easy

    2020

12. 12
    Elph Plasma▲73

    Highly scalable blockchain infrastructure for Ethereum

    2018

13. 13
    Chain▲125

    The Block Chain API for Developers

    2014

14. 14
    TxHash Blockchain as a Service▲120

    Cryptocurrency and smart contract event notifications

    2018

15. 15
    BigchainDB▲105

    The scalable blockchain database.

    2016

16. 16AN
    A new blockchain that can do email on-chain▲21

    Dear HN, As a long-standing member of this community (2007!), I'm really pleased to announce the launch of the Saito project here. http://saito.tech Since you probably haven't heard of us, Saito is a terabyte-level blockchain designed to support email, social networks, payment channels, distributed forums, and other big-data applications directly on-chain. We achieve scale for this by solving the fundamental economic problems with the proof-of-work and proof-of-stake consensus mechanisms. If you look into the network design, we think we'll blow your mind! Anyway, we've been reading…

    2018

17. 17
    The Business Blockchain▲91

    Promise, Practice, and Application of the Next Internet Tech

    2016

18. 18
    Solana Actions and blockchain links▲120

    Connect Solana to the entire internet

    2024

19. 19
    ChainEngine▲100

    Quickly connect your game to the blockchain

    2022

20. 20
    Quantum-Lattice▲3

    Post - Quantum Blockchain (ML-DSA-65)

    Jul 2026 · quantum-lattice.futuristicai.co.za

21. 21
    Onarbor▲72

    fully-blockchained university

    2014

22. 22IH
    Interledger – How to Interconnect All Blockchains and Value Networks▲16

    2018 · medium.com

23. 23
    Web3 and Blockchain Development▲7

    Optimizing Immutable Systems for Modern Workflows

    Oct 2025

24. 24
    Blockchain Development ▲6

    Developing Secure and Transparent Decentralized Solutions

    Nov 2025

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