code: def base_address(self):
          
          prefix = 53 if self.is_testnet() else 24 if self.is_stagenet() else 18
          data = bytearray([prefix]) + self._decoded[1:65]
          checksum = keccak_256(data).digest()[:4]
          return Address(base58.encode(hexlify(data + checksum)))
docs: Returns the base address without payment id.
          :rtype: :class:`Address`