Proof-of-Work


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White House Wants Public Comments on Crypto’s Energy Use and Environmental Impact

The Office of Science and Technology Policy is crafting a report that will examine where crypto fits into the country’s climate goals.

The White House South Lawn, Washington DC, America (Joe Daniel Price/Getty Images)

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EU MiCA Bill Progresses Without Bitcoin Mining Provision

The European Parliament's Markets in Crypto Assets (MiCA) bill has moved forward, omitting a controversial provision that targeted proof-of-work mining. “The Hash” team compares MiCA to a similar piece of legislation making headway in the state of New York and examines what the future of crypto oversight in Europe might look like. 

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EU's MiCA Bill Moves Forward Without Bitcoin Limiting Provision

The EU's landmark legislative package for governing crypto assets is moving on to the next stage of negotiations without the divisive provision seeking to restrict the use of proof-of-work crypto.

European Union flags at Berlaymont building of the European Commission in Brussels, Belgium (Santiago Urquijo/Getty)

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Why Crypto Mining Actually Matters

Ideological arguments over proof-of-work and proof-of-stake miss the larger point: Mining means the production of objective truth, says futurist Dan Jeffries. This post is part of CoinDesk's Mining Week.

A crypto mining farm (Sandali Handagama/CoinDesk)

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New York State Assembly Committee Moves Forward With Bitcoin Mining Ban

The Environmental Conservation Committee of the New York State Assembly voted in favor of a bill that would ban proof-of-work (PoW) cryptocurrency mining for two years due to energy consumption concerns. “The Hash” hosts discuss the growing politicization of bitcoin and possible ways for the mining industry to respond.

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Renewable Crypto Mining in the Italian Alps

As part of CoinDesk’s Mining Week content, Regulatory Reporter for Europe Sandali Handagama explains how crypto mining firms like the Alps Blockchain are using renewable hydropower in the mountainous regions of Italy. Handagama addresses the broader narrative of eco-friendly mining and the debate in the European Parliament on proof-of-work.

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MiCA Could Still Be Delayed by EU Parliamentarians Over Proof-of-Work Provision

EU parliamentarians that supported the controversial provision seeking to limit proof-of-work crypto could make one last stand if the MiCA draft goes for a full parliamentary vote.

European legislators must agree on a negotiating mandate for MiCA, the EU's proposed regulatory framework for crypto assets. (Rachele Rossi/Getty)

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Can Lasers Make Bitcoin Mining More Eco Friendly?

As part of CoinDesk’s Mining Week coverage, CoinDesk’s George Kaloudis presents a study suggesting that lasers could be used to create an “optical proof-of-work” consensus, potentially increasing the accessibility of mining and reducing energy consumption.

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Bitcoin Mining Ban Bill Makes It Out of New York State Assembly Committee

The legislation aims to put in place a two-year moratorium on the kind of crypto mining used to secure the Bitcoin network.

Coinmint's bitcoin mine in Massena, New York, pictured in 2020. (Prieur Leary)

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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)