February 20, 2026

Capitalizations Index – B ∞/21M

Lecture 1 — Intro to Crypto and Cryptocurrencies

Lecture 1 — intro to crypto and cryptocurrencies

Lecture 1 — Intro to Crypto and Cryptocurrencies

Lecture 1 — intro to crypto and cryptocurrenciesFirst lecture of the bitcoin [BTC] and bitcoin [BTC] technologies online course.

For the accompanying textbook, including the free draft version, see: http://bitcoinbook.cs.princeton.edu/

In this lecture (click the time to jump to the section):
* Cryptographic hash functions 1:51
* Hash pointers and data structures 20:28
* Digital signatures 29:25
* Public keys as identities 39:04
* A simple bitcoin [BTC] 44:39

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