In the first days of weeks after a quantum computer moves coins, I can see something like the constant reorg battle taking place.
But it seems that once a couple days-worth of blocks have been built on a transaction stealing satoshis coins, the risk to a competitor quantum computer/miner combo starts to get high.
Sure, the subsidy + fees isn't very much compared to a million bitcoins, but it is also the case that such an attacker intending to do a really deep reorg for this purpose runs a risk of pissing off the network.
I suspect that economic nodes will be accept some reorging at the beginning of a quantum era, but a deep reorg (multiple days or weeks worth of blocks) might be rejected by many (I don't think there are very many code is law folks in their heart of hearts).
For the same reason a miner with >51% hash would find it pretty difficult to force a soft fork that the network doesn't like, I suspect a deep reorg for no purpose than to steal satoshis coins would be rejected. Maybe?
In the first days of weeks after a quantum computer moves coins, I can see something like the constant reorg battle taking place.
But it seems that once a couple days-worth of blocks have been built on a transaction stealing satoshis coins, the risk to a competitor quantum computer/miner combo starts to get high.
Sure, the subsidy + fees isn't very much compared to a million bitcoins, but it is also the case that such an attacker intending to do a really deep reorg for this purpose runs a risk of pissing off the network.
I suspect that economic nodes will be accept some reorging at the beginning of a quantum era, but a deep reorg (multiple days or weeks worth of blocks) might be rejected by many (I don't think there are very many code is law folks in their heart of hearts).
For the same reason a miner with >51% hash would find it pretty difficult to force a soft fork that the network doesn't like, I suspect a deep reorg for no purpose than to steal satoshis coins would be rejected. Maybe?