There is no way for the software to automatically know if one chain is better than another except by the greatest proof-of-work. In the design it was necessary for it to switch to a longer chain no matter how far back it has to go.
There is no way for the software to automatically know if one chain is better than another except by the greatest proof-of-work. In the design it was necessary for it to switch to a longer chain no matter how far back it has to go.
One winner. Completely ignores *who should win*
Chain with the most work is king, even if cheaters *slipped in* a double-spend
Generals had to have consensus on one thing before the headed off to their bunkers: message with the most work is the truth, that is it.