@ -88,12 +88,12 @@ $750 USD
----
----
((("payment requests")))((("QR codes", "payment requests")))Bob's
((("payment requests")))((("QR codes", "payment requests")))Bob's
e-commerce system will automatically create a QR code containing a
e-commerce system will automatically create a QR code containing an
_payment request_ (see <<payment-request -QR>>).
_invoice_ (see <<invoice -QR>>).
Unlike a QR code that simply contains a destination Bitcoin address, a
Unlike a QR code that simply contains a destination Bitcoin address, this
payment request is a QR-encoded URL that contains a destination address,
invoice is a QR-encoded URI that contains a destination address,
a payment amount, and a generic description such as "Bob's Store - Order
a payment amount, and a description such as "Bob's Store - Order
512". This allows a bitcoin wallet application to prefill the
512". This allows a bitcoin wallet application to prefill the
information used to send the payment while showing a human-readable
information used to send the payment while showing a human-readable
description to the user. You can scan the QR code with a bitcoin wallet
description to the user. You can scan the QR code with a bitcoin wallet
@ -103,8 +103,8 @@ application to see what Alice would see.
TODO: Replace QR code with test-BTC address
TODO: Replace QR code with test-BTC address
////
////
[[payment-request -QR]]
[[invoice -QR]]
.Payment request QR code
.Invoice QR code
image::images/mbc2_0202.png["payment-request"]
image::images/mbc2_0202.png["payment-request"]
[TIP]
[TIP]
@ -114,14 +114,14 @@ and cautions")))((("warnings and cautions", "avoid sending money to
addresses appearing in book")))Try to scan this with your wallet to see
addresses appearing in book")))Try to scan this with your wallet to see
the address and amount but DO NOT SEND MONEY.
the address and amount but DO NOT SEND MONEY.
====
====
[[payment-request-URL ]]
[[invoice-URI ]]
.The payment request QR code encodes the following URL, defined in BIP- 21:
.The invoice QR code encodes the following URI, defined in BIP 21:
----
----
bitcoin:bc1qk2g6u8p4qm2s2lh3gts5cpt2mrv5skcuu7u3e4?amount=0.01577764&
bitcoin:bc1qk2g6u8p4qm2s2lh3gts5cpt2mrv5skcuu7u3e4?amount=0.01577764&
label=Bob%27s%20Store&
label=Bob%27s%20Store&
message=Purchase%20at%20Bob%27s%20Store
message=Purchase%20at%20Bob%27s%20Store
Components of the URL
Components of the URI
A Bitcoin address: "bc1qk2g6u8p4qm2s2lh3gts5cpt2mrv5skcuu7u3e4"
A Bitcoin address: "bc1qk2g6u8p4qm2s2lh3gts5cpt2mrv5skcuu7u3e4"
The payment amount: "0.01577764"
The payment amount: "0.01577764"