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Change 1.8 ZH/s to 1.8 ZH

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Wrong dimension. It takes a certain number of hashes to discover a new block on average, not a certain number of hashes per second.
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@ -596,7 +596,7 @@ At the time of writing, the network is attempting to find a block whose header h
0000000000000000029AB9000000000000000000000000000000000000000000
----
As you can see, there are a lot of zeros at the beginning of that target, meaning that the acceptable range of hashes is much smaller, hence it's more difficult to find a valid hash. It will take on average more than 1.8 zeta-hashes (thousand billion billion hashes) per second for the network to discover the next block. That seems like an impossible task, but fortunately the network is bringing 3 exa-hashes per second (EH/sec) of processing power to bear, which will be able to find a block in about 10 minutes on average.((("", startref="Cproof10")))((("", startref="proof10")))
As you can see, there are a lot of zeros at the beginning of that target, meaning that the acceptable range of hashes is much smaller, hence it's more difficult to find a valid hash. It will take on average more than 1.8 zeta-hashes (thousand billion billion hashes) for the network to discover the next block. That seems like an impossible task, but fortunately the network is bringing 3 exa-hashes per second (EH/sec) of processing power to bear, which will be able to find a block in about 10 minutes on average.((("", startref="Cproof10")))((("", startref="proof10")))
[[target_bits]]
==== Target Representation