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Edited ch12_mining.adoc with Atlas code editor
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@ -839,15 +839,19 @@ the target. A lower target means it is more difficult to find a hash
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below the target. The target and difficulty are inversely related.
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====
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++++
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<p class="fix_tracking">
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Bitcoin's PoW is very similar to the challenge
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shown in <<sha256_example_generator_output2>>. The miner constructs a
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shown in <a data-type="xref" href="#sha256_example_generator_output2">#sha256_example_generator_output2</a>. The miner constructs a
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candidate block filled with transactions. Next, the miner calculates the
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hash of this block's header and sees if it is smaller than the current
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_target_. If the hash is not less than the target, the miner will modify
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<em>target</em>. If the hash is not less than the target, the miner will modify
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the nonce (usually just incrementing it by one) and try again. At the
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current difficulty in the Bitcoin network, miners have to try
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a huge number of times before finding a nonce that results in a low
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enough block((("bitcoins", "mining", "proof-of-work algorithm", startref="bitcoin-mining-proof")))((("mining", "proof-of-work algorithm", startref="mining-proof")))((("hash functions", "proof-of-work algorithm", startref="hash-proof")))((("proof-of-work algorithm", startref="proof-mining"))) header hash.
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enough block header hash.
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</p>
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++++
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[[target_bits]]
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==== Target Representation
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@ -855,7 +859,7 @@ enough block((("bitcoins", "mining", "proof-of-work algorithm", startref="bitcoi
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//TODO:use visual representation like I did on bitcoin.org
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Block headers ((("bitcoins", "mining", "target representation", id="bitcoin-mining-target")))((("mining", "target representation", id="mining-target")))((("targets", "representation of", id="target-represent")))((("proof-of-work algorithm", "target representation", id="proof-target")))contain the target in a notation called "target
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Block headers ((("bitcoins", "mining", "proof-of-work algorithm", startref="bitcoin-mining-proof")))((("mining", "proof-of-work algorithm", startref="mining-proof")))((("hash functions", "proof-of-work algorithm", startref="hash-proof")))((("proof-of-work algorithm", startref="proof-mining")))((("bitcoins", "mining", "target representation", id="bitcoin-mining-target")))((("mining", "target representation", id="mining-target")))((("targets", "representation of", id="target-represent")))((("proof-of-work algorithm", "target representation", id="proof-target")))contain the target in a notation called "target
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bits" or just "bits," which in block 277,316 has the value of
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+0x1903a30c+. This notation expresses the proof-of-work target as a
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coefficient/exponent format, with the first two hexadecimal digits for
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