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Explained: Proof-of-Work vs. Proof-of-Stake

Proof-of-work versus proof-of-stake debate was at the center of the United States House Energy and Commerce Oversight Subcommittee hearing on "Cleaning Up Cryptocurrency: The Energy Impacts of Blockchains." 

Brian Brooks, CEO at Bitfury, and Ari Juels, professor at the Jacobs Technion-Cornell Institute at Cornell Tech and explains the difference between the two most popular consensus mechanisms.

The hearing took place on January 20, 2022.