Buff, confirm where the buyer registration information is.

You can see it on the re-delivery page.

When you buy on buff, there will be a prompt in the buff interface, and then you will see the date when the other party joined steam in the steam delivery interface. Generally speaking, if two dates are the same, there is no problem.

BUFF is a game loyalty platform. It is achieved through symbolic reward economy. Decentralized BUFF platforms will create a loyalty programs. Players can accumulate BUFF coins by playing their favorite games.