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@ -81,12 +81,6 @@ Alice is offered the option to pay with bitcoin, in addition to the
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usual options. The checkout cart displays the price in US dollars and
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also in bitcoin (BTC), at Bitcoin's prevailing exchange rate.
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----
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Total:
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$750 USD
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0.01577764 BTC
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----
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((("payment requests")))((("QR codes", "payment requests")))Bob's
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e-commerce system will automatically create a QR code containing an
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_invoice_ (see <<invoice-QR>>).
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@ -130,7 +124,7 @@ A description for the payment: "Purchase at Bob's Store"
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----
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Alice uses her smartphone to scan the barcode on display. Her smartphone
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shows a payment of +0.01 BTC+ to +Bob's Store+ and she selects Send to
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shows a payment for the correct amount to +Bob's Store+ and she selects Send to
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authorize the payment. Within a few seconds (about the same amount of
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time as a credit card authorization), Bob sees the transaction on the
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register, completing the transaction.
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@ -432,8 +426,8 @@ View the https://www.blockchain.com/btc/tx/0627052b6f28912f2703066a912ea577f2ce4
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==== Adding the Transaction to the Ledger
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The transaction created by Alice's wallet application is 258 bytes long
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and contains everything necessary to confirm ownership of the funds and
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The transaction created by Alice's wallet application
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contains everything necessary to confirm ownership of the funds and
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assign new owners. Now, the transaction must be transmitted to the
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Bitcoin network where it will become part of the blockchain. In the next
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section we will see how a transaction becomes part of a new block and
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David A. Harding
1 year ago