Python Blockchain Simulator

A simple blockchain transaction simulator built in Python with RSA digital signatures and a Tkinter GUI.

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Features

• Basic blockchain implementation
• Proof-of-work mining
• RSA wallet signatures
• Transaction verification
• Simple GUI built with Tkinter
• Unit tests included

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Project Structure

python-blockchain-simulator
│
├ app
│   ├ gui.py
│   └ main.py
│
├ src
│   ├ __init__.py
│   ├ blockchain.py
│   └ wallet.py
│
├ tests
│   └ test.py
│
├ screenshots
│
├ requirements.txt
└ README.md

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Installation

Clone the repository:

git clone https://github.com/srabuzied/python-blockchain-simulator.git
cd python-blockchain-simulator

Install dependencies:

pip install -r requirements.txt

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Run the Program

python -m app.gui

This will launch the blockchain simulator GUI.

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Example

The application allows sending signed transactions and mining blocks.

Example mined block:

{
  "index": 1,
  "transactions": [
    {
      "sender": "...",
      "recipient": "...",
      "amount": 10
    }
  ],
  "nonce": 641,
  "hash": "00b615..."
}

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GUI

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License

MIT License