# Gavin Andresen
# 2011-01-31 01:07:31
# https://bitcointalk.org/index.php?topic=3051.msg42724#msg42724

@s{quotedtext}
@s{quotedtext}
 @p{brk}
No, if necessary we'd change the difficulty adjustment rules and make the code: @p{par}

if (current block is @s{gt} some_number) @p{brk}
  ... new rules for adjusting difficulty @p{brk}
else @p{brk}
  ... old rules for adjusting difficulty @p{par}

I could have done that and kept the testnet block chain, but it is cleaner to just reset it with new rules. @p{par}

And "pulling the same trick" means throwing an overwhelmingly massive amount of hashing power at the main network (like 16 times the current overall hashing power) for a significant amount of time, which is getting increasingly hard to do. @p{brk}