text: # Main network and testnet3 definitions
  
  params = {
      'bitcoin_main': {
          'pubkey_address': 130,
          'script_address': 30,
          'genesis_hash': '000004c2fc5fffb810dccc197d603690099a68305232e552d96ccbe8e2c52b75'
      },
      'bitcoin_test': {
          'pubkey_address': 68,
          'script_address': 30,
          'genesis_hash': '000004aa8e535bedb2186a3c1c2f3b119e70c2f61286b15ec98a81021c3a4a0c'
      }
  }
  