> > > > [...] to generate much longer chain with superslow timestamp increase > > > > (~5 blocks in 1 second) without increasing difficulty (i.e. staying at > > > > min. diff.). [...] > > > > In that case, it would take about 7 minutes of block time seconds for > > > > the next retarget period, every 2016 blocks, and the difficulty would > > > > adjust. The difficulty would adjust in that case as if 2 weeks of blocks > > > > had been mined in 7 minutes. For the difficulty to remain the same the > > > > time between blocks needs to be 10 minutes. > > > > This calculation does not apply under time warp attack. You can fake > > > > timestamps of all blocks except for those relevant to the retarget > > > > calculation. Those are only the first and the last block in the 2016 > > > > block window. > > This must be in reference to the non-overlapping difficulty calculation > and off-by-one bug?
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