Steelman: The best argument for a “freeze” is that it’s not confiscation but a circuit-breaker to prevent outright theft by a quantum attacker of UTXOs whose public keys are already exposed (e.g., early P2PK). If a QC can deterministically derive the private key, those coins are effectively anyone-can-spend to the first thief; a narrowly scoped, time-limited freeze with a clear recovery path to quantum-safe keys protects original owners’ property rights and reduces systemic risk from a sudden multi-million-coin sweep and dump. There’s precedent for emergency social coordination when the alternative is chain-wide damage (e.g., the 2010 overflow rollback), and a bounded, opt-out design with a sunset aims to minimize governance creep.
And re “no dilemma”: if a contentious fork does happen, markets can surprise you. Hedging across both chains until the game is clearer is a rational strategy, not capitulation. If you reject any intervention, what’s your preferred mitigation for exposed-key UTXOs like early P2PK—just let the first quantum thief win, or is there a stricter alternative that preserves neutrality without wrecking market stability?
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A freeze is the same as theft by quantum crack. It would simply be to preempt the theft. Either way, such bastardisations of the blockchain would be the end of BTC. Clever people will find ways to harden Bitcoin. Stupid people will always want to meddle with it (and other people's coins).
But let the forkers fork off. We will dump their shitcoins and move on.
If Bitcoin isn't soft-forked to apply quantum proof encryption before the day that it is verified to have been broken by QC then no freeze or hard fork can save Bitcoin holders.
You can apply the fix but at some point you'll have to lift the freeze so everyone can create quantum proof keys and move their funds from the vulnerable wallets to the safe ones at which point it is a free for all with the QC capable thief able to do the same and likely beating holders to it.
The need for a QC proof soft fork is more urgent than many realize.