Proof of Work
Financial Instrument
The current consensus mechanism for Ethereum (and Bitcoin) that secures the blockchain using computational power, but is less energy-efficient.
Mentioned in 3 videos
Videos Mentioning Proof of Work

Vitalik Buterin — Creator of Ethereum feat. Naval Ravikant
Tim Ferriss
The current consensus mechanism for Ethereum (and Bitcoin) that secures the blockchain using computational power, but is less energy-efficient.

Ethereum Basics (Vitalik Buterin) | AI Podcast Clips
Lex Fridman
The original consensus mechanism for Bitcoin and early Ethereum, which requires significant computational power and energy consumption.

Nick Szabo — The Quiet Master of Cryptocurrency | Co-Hosted by Naval Ravikant | The Tim Ferriss Show
Tim Ferriss
A mathematical puzzle computers solve to commit resources to a network, creating scarcity and securing the blockchain, used in Bitcoin for validating transactions and preventing network attacks.