Lightning as the Leading Second-Layer Solution

The Fiat Standard Lecture 14: Bitcoin Scaling shows why on-chain scaling has hard limits, why block space must remain scarce to preserve immutability, and how economic incentives push smaller payments to second layers. It also explores how the Lightning Network brings fast, cheap transactions to Bitcoin.

You can buy the hardcover, ebook or audiobook in several languages on saifedean.com/TFS, where you can also find the full lecture notes available for free download.

You can also take the rest of Saifedean's courses by signing up to a membership on saifedean.com/membership