Paradigm Researcher Proposes PACTs to Shield Bitcoin From Quantum Threats

TLDR: PACTs allow Bitcoin holders to timestamp private key ownership off-chain, requiring no transaction or on-chain activity.  Satoshi Nakamoto holds over $75 billion in quantum-vulnerable Bitcoin addresses that a CRQC could potentially drain.  A STARK proof would let holders reclaim sunsetted funds by proving key knowledge existed before quantum computers arrived.  Multisig wallets, custodial setups, [...]

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