LIVE w/ Jimmy Song
summary
Demonstrates a practical way to prove a book signing by taking a photo, hashing it with SHA-256 and publishing a PGP signature—PGP signature + SHA-256 of photo, so no blockchain needed. Argues Bitcoin prioritizes binding (supply certainty) over perfect privacy and treats fungibility as a trade-off, outlines market evidence that current fungibility suffices, and describes a two‑day Bitcoin protocol class with 500+ students and follow‑on projects from attendees.
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chapters (6)
- 0:00Jimmy song and blockchain
- 1:13Fungibility and privacy
- 4:20The gold analogy
- 6:01Trade-offs in digital cash
- 13:38Educational classes
- 15:33Crypto merchandise
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