It is detectable once it happened. If you run your own node, you can tell when it is "reorganizing", i.e.: discarding one branch for another. One block reorgs, or two block reorgs are somewhat common (citation needed, I…
You are misunderstanding the attack. At 50+% of the hashing power, you are guaranteed to win a race against the honest block producers. The attack is a double spend: you spend a coin C to pay ADDR_A while mining a…
It is detectable once it happened. If you run your own node, you can tell when it is "reorganizing", i.e.: discarding one branch for another. One block reorgs, or two block reorgs are somewhat common (citation needed, I…
You are misunderstanding the attack. At 50+% of the hashing power, you are guaranteed to win a race against the honest block producers. The attack is a double spend: you spend a coin C to pay ADDR_A while mining a…