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Re:It can all go to zero by MichaelGG on Tuesday January 16, 2018 @04:07PM (#16162603)
Not to zero. I'd personally pay $1, probably more, for even 10% of all Bitcoins, just for the novelty. If there were no miners, maybe not much more than that, and I'd want the current private keys.

I'm guessing there's at least someone that'd pay a few million for all of Bitcoin, so maybe a $0.10-1.0 floor, easily? Would be illiquid and hard for small holders to sell though.

Also, quantum computers do not break Bitcoin entirely as in previously unused addresses are safe. You'd need a way to quickly generate keys matching a certain hash. Otherwise you need a ton of hashing power, too, to rewrite the part of the chain created in the time a spend-of-interest was created and you generated matching keys with your attacking machine. Seems like something that can be upgraded assuming a QC-resistant crypto scheme exists.

Re:It can all go to zero by ScottBurson on Tuesday January 16, 2018 @06:25PM (#16163875)
Sure, it won't go to literally zero (unlike stocks; companies can go bankrupt). But the difference between falling three orders of magnitude vs. six, say, is not a very big difference to anyone who bought in at current prices.
Re:It can all go to zero by akvadrako on Wednesday January 17, 2018 @07:53AM (#16167479)
But if it did go to $1, mining would become unprofitable until the next adjustment. So the only way forward is the network to fork. Then you wouldn't own "the Bitcoins", just "a Bitcoins".