Questions tagged [invoices]

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3
votes
1answer
94 views

Is signature/private-key required to accept payment over Lightning Network?

To (1) create an invoice and (2) accept payment in LN, the node has to be online. But does the node need to sign the creating invoice or the accepting payment? We don't have to have private key ...
6
votes
1answer
215 views

Why do lightning invoices expire?

I'm considering the development of a lightning app, and I'm trying to make it non custodial. I was thinking on pre-generating invoices for all users every x time to make things simpler. To do that I'...
2
votes
1answer
71 views

What's the maximum size of the memo in a LN payment request?

What is the maximum size of text held in the memo portion of a lightning network payment request?
1
vote
1answer
31 views

Purpose of the LN transaction description

According to Bolt 11, an invoice may contain a short description. However, what I fail to understand is who is sending this information to whom. Since the invoice is usually generated by the payee, I'...
2
votes
1answer
84 views

How to know that the account balance of a user needs to be updated after paying/sending an invoice?

Lets say there is a service in which users can have a few satoshis but are also able to deposite/withdraw satoshis by paying/sending a lightning invoice. Let us assume the service has some data store ...
2
votes
2answers
245 views

Are there any risks on publicizing a Lightning network invoice?

What are the negative effects of publicizing a LN invoice either before or after its payment? From what I understand, after its payment it won't allow a 2nd payment of the invoice, so 3rd parties ...
2
votes
1answer
445 views

In-channel messages via Lightning network

Is it possible to send messages to a receiver address via lightning channels. For example Alice send 25000 Satoshi to Bob with the message 'thank you for the coffee'. I'm trying to find information ...