old_contents: # Main network and testnet3 definitions
  
  # params = {
  #     'bitcoin_main': {
  #         'pubkey_address': 0,
  #         'script_address': 5,
  #         'genesis_hash': '000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f'
  #     },
  #     'bitcoin_test': {
  #         'pubkey_address': 111,
  #         'script_address': 196,
  #         'genesis_hash': '000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943'
  #     }
  # }
  
  params = {
      'vcoin_main': {
          'pubkey_address': 70,
          'script_address': 30,
          'genesis_hash': '00000b7e804f0de87e7752550ff04d7686a4599509897feefd7f03904eb45633'
      },
      'vcoin_test': {
          'pubkey_address': 130,
          'script_address': 30,
          'genesis_hash': '13d8d31dde96874006da503dd2b63fa68c698dc823334359e417aa3a92f80433'
      }
  }
  
new_contents: # Main network and testnet3 definitions
  
  # params = {
  #     'bitcoin_main': {
  #         'pubkey_address': 0,
  #         'script_address': 5,
  #         'genesis_hash': '000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f'
  #     },
  #     'bitcoin_test': {
  #         'pubkey_address': 111,
  #         'script_address': 196,
  #         'genesis_hash': '000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943'
  #     }
  # }
  
  params = {
      'vcoin_main': {
          'pubkey_address': 70,
          'script_address': 30,
          'genesis_hash': '00000b7e804f0de87e7752550ff04d7686a4599509897feefd7f03904eb45633'
      },
      'vcoin_test': {
          'pubkey_address': 130,
          'script_address': 30,
          'genesis_hash': '00000b62077c6e53a2c7ada6e14feb5dfdeecd6001cc83d3a281145572112b17'
      }
  }
  
subject: Update networks.py