Proof-of-Work

Proof-of-Work

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Why Some Bitcoin Devs Say Lasers Can Cut Mining’s Energy Costs

“Optical proof-of-work” would improve geographic distribution of hashrate and quell fears of climate-related pushback, proponents argue.

Lasers have shown promise in making computation more efficient. Plus, optical computation would fit the “laser eyes” meme popular among bitcoiners. (Illustration: Yunha Lee)

Videos

EU Parliament Rejects Proposal Limiting Proof-of-Work Mining

The European Parliament has voted against a proposed rule that would have banned proof-of-work mining of cryptocurrencies like bitcoin across the European Union (EU). Patrick Hansen, head of Strategy and Business Development at Unstoppable Finance, discusses what this means for the state of crypto affairs in Europe and the world.

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Videos

Swan Bitcoin CEO on EU Bitcoin Bill, Usage of Crypto Amid Russia-Ukraine Conflict

Cory Klippsten, Swan Bitcoin CEO, joins “All About Bitcoin” to discuss a recently rejected proposal in the European Parliament that sought to limit proof-of-work mining due to environmental concerns. Plus, a conversation on how Swan’s technology can facilitate seamless on-ramping into the bitcoin ecosystem and key takeaways from Klippsten’s new book “Bitcoin: Your Bright Orange Future.” 

Recent Videos

Policy

EU's Sweeping Crypto Regulations Package One Step Closer to Ratification

The proposed MiCA framework was voted through without a contentious provision seeking to limit the use of proof-of-work crypto.

(Getty Images)

Videos

EU Squashes Crypto Mining Ban

The European Parliament has just voted against a proposal to possibly ban the use of proof-of-work blockchain technology due to its energy-intensive nature. “The Hash” hosts discuss the significance of the EU’s Markets in Crypto-Assets (MiCA) framework and what this could mean for future crypto regulation efforts.

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Videos

Can the Metaverse be Regulated? What Crypto Community’s Reaction to Biden’s Executive Order Tells Us

The former chairman and CEO of Walt Disney Bob Iger is getting into the metaverse business by investing in Web 3 company Genies. Bradley Tusk, Tusk Venture Partners co-founder and managing partner, joins “First Mover” to explain how policies from Web 2 could shape regulation in the metaverse as institutional interest continues to grow.

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Policy

Proposal Limiting Proof-of-Work Is Rejected in EU Parliament Committee Vote

The provision could have required cryptocurrencies like bitcoin to shift to more environmentally friendly mechanisms.

European Parliament. (Shutterstock)

Videos

Kevin O’Leary on His White House Meeting with Lawmakers, Lummis’ Pro-Crypto Bill

“Shark Tank” co-host and O’Shares ETFs Chairman Kevin O’Leary joins “First Mover” to share his insights on the current state of global crypto regulation. O’Leary examines a bill in the European Union addressing proof-of-work mining, along with the Responsible Financial Innovation Act proposed by U.S. Senator Cynthia Lummis (R-Wyo.).

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Policy

Bitcoin-Banning Measure Seen Too Close to Call in Monday's EU Parliament Vote

Still, people familiar with the matter said a slim majority of parliamentarians could defeat a controversial new MiCA provision that seeks to force proof-of-work cryptocurrencies to shift to more energy-friendly consensus mechanisms.

EU parliament plans to vote on a controversial provision that seeks to limit the use of proof-of-work crypto mining. (Walter Zerla/Getty Images)