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CH02: minor edits for consistency, voice, and correctness

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David A. Harding 2023-02-04 15:22:59 -10:00
parent e472d344af
commit 05c956e6a9
1 changed files with 8 additions and 7 deletions
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@ -435,16 +435,16 @@ output. Alice will therefore "encumber" the output value with a demand
for a signature from Bob. for a signature from Bob.
This transaction will also include a second output, because Alice's This transaction will also include a second output, because Alice's
funds are contain more money than the cost of the funds contain more money than the cost of the
podcast. Alice's change podcast. Alice's change
output is created in the very same output is created in the very same
transaction as the payment to Bob. Essentially, Alice's wallet breaks transaction as the payment to Bob. Essentially, Alice's wallet breaks
her funds into two payments: one to Bob and one back to herself. She can her funds into two outputs: one to Bob and one back to herself. She can
then use (spend) the change output in a subsequent transaction. then spend the change output in a subsequent transaction.
Finally, for the transaction to be processed by the network in a timely Finally, for the transaction to be processed by the network in a timely
fashion, Alice's wallet application will add a small fee. This is not fashion, Alice's wallet application will add a small fee. This is not
explicit in the transaction; it is implied by the difference between explicit in the transaction; it is implied by the difference in value between
inputs and outputs. This _transaction fee_ is collected by the inputs and outputs. This _transaction fee_ is collected by the
miner as a fee for validating and including the transaction in a block miner as a fee for validating and including the transaction in a block
to be recorded on the blockchain. to be recorded on the blockchain.
@ -462,7 +462,7 @@ contains everything necessary to confirm ownership of the funds and
assign new owners. Now, the transaction must be transmitted to the assign new owners. Now, the transaction must be transmitted to the
Bitcoin network where it will become part of the blockchain. In the next Bitcoin network where it will become part of the blockchain. In the next
section we will see how a transaction becomes part of a new block and section we will see how a transaction becomes part of a new block and
how the block is "mined." Finally, we will see how the new block, once how the block is mined. Finally, we will see how the new block, once
added to the blockchain, is increasingly trusted by the network as more added to the blockchain, is increasingly trusted by the network as more
blocks are added. blocks are added.
@ -584,10 +584,11 @@ lottery to create the next block.
Jing started mining in 2010 using a very fast desktop computer to find a Jing started mining in 2010 using a very fast desktop computer to find a
suitable Proof-of-Work for new blocks. As more miners started joining suitable Proof-of-Work for new blocks. As more miners started joining
the Bitcoin network, the difficulty of the problem increased rapidly. the Bitcoin network, the Bitcoin protocol automatically increased the
difficulty of finding a new block.
Soon, Jing and other miners upgraded to more specialized hardware, such Soon, Jing and other miners upgraded to more specialized hardware, such
as high-end dedicated graphical processing units (GPUs) cards such as as high-end dedicated graphical processing units (GPUs) cards such as
those used in gaming desktops or consoles. At the time of this writing, those used in gaming desktops. At the time of this writing,
the difficulty is so high that it is profitable only to mine with the difficulty is so high that it is profitable only to mine with
((("application-specific integrated circuits ((("application-specific integrated circuits
(ASIC)")))application-specific integrated circuits (ASIC), essentially (ASIC)")))application-specific integrated circuits (ASIC), essentially