text: ELECTRUM_VERSION = '2.9.3.6' # version of the client package
  PROTOCOL_VERSION = '0.10'   # protocol version requested
  
  # The hash of the mnemonic seed must begin with this
  SEED_PREFIX      = '01'      # Electrum standard wallet
  SEED_PREFIX_SW   = '02'      # Electrum segwit wallet
  SEED_PREFIX_2FA  = '101'     # extended seed for two-factor authentication
  
  
  def seed_prefix(seed_type):
      if seed_type == 'standard':
          return SEED_PREFIX
      elif seed_type == 'segwit':
          return SEED_PREFIX_SW
      elif seed_type == '2fa':
          return SEED_PREFIX_2FA
  