On Nostr, can we buy and sell goods through flash payment Sats? How does Nostr solve the credit problem to ensure that both buyers and sellers will not cheat each other?

在Nostr上，通过闪电支付Sats，能实现商品的买卖吗？Nostr如何解决信用问题，以确保买卖双方都不会欺骗对方？

#Nostr