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Edited ch02_overview.adoc with Atlas code editor
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@ -454,7 +454,7 @@ wallet can further verify Alice's transaction only spends((("transactions", "con
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=== Bitcoin Mining
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Alice's transaction((("bitcoins", "mining", id="bitcoin-mining")))((("mining", id="mining"))) is now propagated on the Bitcoin
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Alice's transaction((("bitcoins", "mining", "operational overview", id="bitcoin-mining-operational-overview")))((("mining", "operational overview", id="mining-operational-overview"))) is now propagated on the Bitcoin
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network. It does not become part of the _blockchain_ until it is
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included in a block by a process called _mining_ and that block has been
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validated by full nodes. See
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@ -510,7 +510,7 @@ valid block something that requires an incredible amount of work to
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create but only a trivial amount of work to verify. The simple
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verification process is able to probabalistically prove the work was
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done, so the data necessary to generate that proof--in this case, the
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block--is called proof of work (PoW).
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block--is called ((("Proof-of-Work algorithm")))proof of work (PoW).
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Transactions are added to the new block, prioritized by the highest fee rate
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transactions first and a few other criteria. Each miner starts the
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@ -586,13 +586,13 @@ giving Bob more and more confidence that Alice's payment is secure.
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In <<block-alice1>>, we can see the block that contains Alice's transaction. Below it are
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hundreds of thousands of blocks, linked to each other in a chain of
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blocks (blockchain) all the way back to block #0, known as the _genesis
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blocks (blockchain) all the way back to block #0, known as((("genesis block"))) the _genesis
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block_. Over time, as the "height" of new blocks increases, so does the
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computation difficulty for the chain as a whole.
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By convention, any block with more than six confirmations
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is considered very hard to change, because it would require an immense amount of
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computation to recalculate six blocks (plus one new block). We will examine
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the process of mining and the way it builds confidence in more ((("bitcoins", "mining", startref="bitcoin-mining")))((("mining", startref="mining")))detail in
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the process of mining and the way it builds confidence in more ((("bitcoins", "mining", "operational overview", startref="bitcoin-mining-operational-overview")))((("mining", "operational overview", startref="mining-operational-overview")))detail in
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<<mining>>.
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[[block-alice1]]
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