I want to buy some BTC with cash locally, the seller i found says : "send BTC to your wallet. After 1 confirmation On blockchain, collector takes from the table cash."
Is this enough to be sure i will receive the bitcoin sold me? Or its better to wait for 2 confirmations?
In my opinion, one confirmation should be enough for you to trust the person that want to sell Bitcoin to you. If the seller is not in a hurry for other activities he or she should wait until the transaction is confirmed before he leaves. If I may ask do it there is no local crypto currency exchange in your locality like Remitano which serve as escrow that you can patronise and have your peace any time any day.