E80: Steve Epstein on Post-Quantum Cybersecurity, Breaking RSA, and Saving Blockchains
In this episode of Beyond the Code, Yitzy sits down with Steve Epstein — a distinguished systems/cybersecurity & AI engineer with roots at Bell Labs (alongside Peter Shor & Lov Grover), decades at NDS/Cisco/Synamedia, and currently working at Rafael, in Israel’s defense sector.
Steve explains, in plain English, why quantum computing threatens today’s internet (RSA, ECDH, ECDSA), what Q-Day means, and when [it might be] coming, and how post-quantum cryptography (PQC) must be rolled out across clouds, hardware, supply chains, and especially blockchains.
We cover the journey from satellite-TV…
The skinny
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