Thank you Martin for your help :) I still have an error, this one now : "transaction generation failed: account not found for address erd1vhwsck2jsyz0cq20nas43fl7h6nrtkvvjaptydhtpure4tkrutpsthlt75 and shard 1" CRITICAL:cli:Proxy request error for url [https://devnet-gateway.elrond.com/transaction/send]: {'data': None, 'error': 'transaction generation failed: account not found for address erd1vhwsck2jsyz0cq20nas43fl7h6nrtkvvjaptydhtpure4tkrutpsthlt75 and shard 1, err: account was not found', 'code': 'internal_issue'} I do have a .pem wallet and have set the path in the erdpy.json file. Any idea ?