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0 sats \ 4 replies \ @OT 23 Jul \ on: Possible to Generate a QR with a Specific Number of Sats to Coinos Address? bitcoin_beginners
That static QR will be OK for people sending payments to your Coinos account. You will have to get the students to input their name in the invoice to know that it was them sending sats.
I don't think a static 100k sat invoice is possible. You will need to generate one every time.
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0 sats \ 3 replies \ @spiderman OP 23 Jul
I scanned my own Coinos QR code with the Blockstream green android wallet. The user journey was like
  • Open the send screen
  • Scan the QR code, the address <user>@coinos.io populates in the address box
  • enter the amount (something I wish I could avoid)
  • slide to send
Sure enough, the Sats landed within a minute. But it does not look like there is a way for the sender to add any metadata that is visible to the user. The only common field visible on both sides is what they call the payment preimage, which is a long incomprehensible string like 9f44..249c, which I can use to identify the sender.
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0 sats \ 2 replies \ @OT 23 Jul
The sender should be able to add a message.
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0 sats \ 1 reply \ @spiderman OP 23 Jul
A wallet specific feature? So far as I can see, Blockstream does not have a field to enter a message. Am curious how exactly are you sending it that allows you to add a message?
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0 sats \ 0 replies \ @OT 23 Jul
It should be in all LN wallets. Here's what it looks like in Coinos.
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