DWQA QuestionsCategory: BlockchainI plan to make a block chain payment channel, but I don't have any ideas to give advice.
I'm just a rookie asked 1 year ago

1. I intend to make a payment channel of block chain and ask the gods to give some ideas.
I’ll transfer the virtual currency to you. When I receive it, I notify you of a URL. I need to forward a second-order notification.