async def sendm2(self):

        signed = {
            'ordre' : 'Coucou',
        }

        public_key = self.Public_key.encode(encoder=nacl.encoding.HexEncoder)           #Miner's Public key (Hex format)
        signed = BC_crypt.SignMessage(self.Signing_key, bson.dumps(signed))             #Signing message

        message = {
            'publickey': public_key ,
            'msg':signed
        }

        async with websockets.connect(
                'ws://127.0.0.1:8080') as websocket:
            await websocket.send(bson.dumps(message))