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MMB blockchain network

Project description

🧱 MMB Blockchain Network

MMB Blockchain is a custom-built experimental blockchain system designed from scratch with a modular, multi-layered architecture. It features a basic Proof of Authority (PoA) consensus, built-in smart contract handling, and support for decentralized applications (dApps) via a web interface.


🔧 System Architecture

The system is organized into three primary layers:

🧩 Layer 0 – Core Blockchain (Consensus & Networking)

  • Full blockchain engine: blocks, mempool, hashing
  • PoA Consensus: only authorized leaders are allowed to sign blocks
  • Peer-to-peer node communication and block propagation
  • Each node has its own private/public keypair (RSA or ECDSA)
  • Signature validation and block rejection logic

📜 Layer 1 – Smart Contract & Token Layer

  • Transaction types supported:
    • mintburn (native MMB token)
    • native, transfer
    • stake, deploy_contract, call_contract (under development)
  • Smart contract data handled via transactionData field
  • Cryptographic abstraction layer: pluggable sign/verify adapters (RSA, ECDSA)

🌐 Layer 2 – dApps & Web3 Interface

  • User-facing frontend interfaces (in progress)
  • Features: Wallets, Token Dashboard, Custom DEX
  • Support for Web3 or custom RPC API

✅ Completed Features

  • PoA-based block creation and signature validation
  • Node synchronization and propagation of valid blocks
  • Cryptographic adapter system (RSA, ECDSA)
  • Minting restricted to authorized keys
  • Hex-encoded block outputs for readability

🚧 Roadmap

  • Lightweight VM engine for smart contracts
  • Stake-based validator rotation
  • REST/Web3 APIs and explorer UI
  • Cross-chain bridge & asset-backed token logic (e.g., USDT, BTC)
  • NFT & DAO modules

📜 License

MIT License – this project is intended for educational and experimental purposes.


👤 Developer

Lê Minh Quân – Independent blockchain researcher and developer.

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