Satoshi proof is a must it could be as low as possible
seller must have the required volume in the wallet used to send the satoshi as to be checked on explorer
Buyer meet seller.
seller again confimed that the same wallet used to send the satoshi is the same wallet for the transaction.
Seller pays and buyer send USDT or vise versa

Preferred location for this is Nigeria.
Source of fund = CLEAN

Contacts, 1trillionbitcoin@gmail.com