superposition qkd eavesdropper detectable factoring rsa unhackable immutable intercept encryption supercomputer cloning supercomputers claude theorem cryptography optic safeguards equations envisioning entanglement infrastructures computational fiber characteristic ensures difficulty functional signal poses keys

advent seconds posits implementation mathematical classical securing transitions theoretical distribution sovereignty communications existential rely existing specifically frames vulnerability mechanics dominate potentially roadmap quantum foundations immediately reliance integration allow solve geopolitical louis

physics numbers privacy defining computers secure warning shifting networks limits arguing concludes emerging methods examining text attempt laws machines detailing charles secrets shift internet principles large threat defense current practical identity