I am creating an online shop that will accept Bitcoin. As the transaction fee is matter to , I want to use one wallet address to take money from customers . But the question is how to know who sent it??
The bustabit.com is an example for what I want
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…