Bitcoin dev wants quantum attackers to put up collateral first
Cory Fields' idea would force anyone cracking a vulnerable wallet to post Bitcoin up front, giving prepared owners time to respond and a shot at collecting a penalty.
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Key takeaways
- Developer Cory Fields wants quantum attackers to post Bitcoin as collateral before moving coins from vulnerable wallets.
- Owners who prepared in advance would get a chance to recover their funds.
- The attacker could face a potentially costly penalty if the owner contests the move.
- The source gives only the outline; details of the mechanism aren't spelled out.
Bitcoin developer Cory Fields has floated a different answer to the quantum threat: make attacking a wallet a losing bet. Under his idea, a would-be quantum attacker would have to post Bitcoin as collateral before touching any vulnerable wallet.
That's the whole hook. The collateral buys owners who've prepared a window to recover their coins, and it could pay them out if the attacker is in the wrong. For the attacker, the penalty could get expensive. Good.
The logic behind it
Most quantum-resistance talk is about locking down or migrating old coins. Fields flips the incentive. Rather than only trying to stop the attack, he tries to make the attack cost money.
Here's what you should notice: the material on this proposal is thin. It doesn't say how the collateral would be sized. It doesn't say how a legitimate owner would prove a claim. It doesn't spell out the technical changes Bitcoin would need. So treat it as an early idea, not a finished spec, and be wary of anyone selling it as more.
Why it matters
Hold Bitcoin in an older wallet type that's exposed to quantum attack? Then watch this one. It suggests the debate is drifting past simply freezing or migrating coins and toward economic deterrence.
But there's a catch. It appears to reward owners who prepared. So what about everyone who didn't, like lost-key holders or inactive wallets? Any serious proposal has to answer that, and this one hasn't yet.
Source: Decrypt
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