The word 'chain' is literal, if ASIC 20 is completely failed the ASICs following it will not respond either.
Unstable. Look up other ASIC alternatives. Like Inno A9 zmaster or Antminer Z9.
It's not the same algorithm.
It's still ASIC. They both function the same. They both generate money and consume electricity. The problem is, it's efficiency.
