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utxo

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MSc Exercise for Introduction to Computer Security. A simulation of a blockchain messaging platform based on the Bitcoin protocol. Exchange privately and securely messages and images. Become a miner and collect rewards or just a plebeian client and send messages without supporting the platform.

  • Updated Sep 16, 2021
  • Python

A minimal yet powerful Bitcoin transaction builder CLI in Python. It fetches UTXOs, builds raw transactions, signs them securely using your WIF private key, and outputs a broadcast-ready hex. Perfect for blockchain learners, BTC devs, and CLI tool lovers.

  • Updated Jul 27, 2025
  • Python

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