On the recordJune 8, 2021
Many cryptocurrencies are created through proof-of-work mining. It involves using computers to solve useless mathematical puzzles.
Source
congress.govEditor's note · Context
Warren discusses the environmental impact of cryptocurrency mining.
Share
More from Elizabeth Warren
Aug 14, 2026
On July 20, 2026, CMS issued a memo that appears to be an attempt to intimidate nursing home staff from assisting residents in the voting process.
Aug 14, 2026
The American people deserve to know that the President is not using his office to increase the value of his stock portfolios, rather than working to bring down the cost of groceries
Aug 13, 2026
Voters want leaders with backbones who will stand up to dark money super PACs and fight to make life more affordable.
Aug 14, 2026
The decision to purge the office of DOT&E has created significant and unnecessary risk that jeopardizes readiness, service member safety, acquisition reform, and taxpayer dollars.
Other voices in this conversation
