Bitcoin developer proposes ‘landmines’ to make quantum thieves lose their own BTC
Source: CoinDesk ·
From the source
Anyone trying to move vulnerable bitcoin would have to put up matching collateral, giving prepared owners a chance to take both. A Bitcoin Core developer wants to make future quantum thieves risk their own money before they can steal anyone else’s. Cory Fields, who works on Bitcoin’s software at MIT’s Digital Currency Initiative, outlined the idea Wednesday on the bitcoin-dev mailing list . His “quantum landmines” would let holders secretly prepare a trap for anyone who later cracks their wallet keys. A sufficiently powerful quantum computer could calculate a wallet’s secret spending key from its public key. Some early bitcoin payments exposed those public keys from the start, leaving coins associated with Satoshi Nakamoto among the potential targets. CoinDesk has previously explored the dispute over whether Bitcoin should freeze vulnerable coins or leave them available to whoever can produce a valid signature. A freeze could stop thieves while also locking out owners who never…
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