[Bitcoin-development] Block Size Increase Requirements
jtimon at jtimon.cc
Sun May 31 14:46:58 UTC 2015
On May 30, 2015 10:38 PM, "Gavin Andresen" <gavinandresen at gmail.com> wrote:
> Mining is a competitive business, the marginal miner will ALWAYS be going
out of business.
> That is completely independent of the block size, block subsidy, or
No, the later determines who can be profitable.
Here's a thought experiment:
Subsidy is gone, all the block reward comes from fees.
Miner A has great connectivity and mines 20 MB blocks, with an average of
20 btc per block.
Miner B has a connectivity such that 2 MB blocks puts it on a reasonable
orphan rate, so it gets an average of 2 btc per block mined.
But the difficulty is the same for all and it can rise up to miner A
breaking even after energy costs.
Will miner B be profitable with this setup? The answer is no and miner B
will just go out of business. In that sense too, bigger blocks mean more
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