Food fraud is a growing economic and health issue – but AI and blockchain technology can help combat it

Food fraud costs billions globally. But blockchain and machine learning offer hope for a more transparent and safer food system.

Milind Tiwari, Lecturer in Fraud and Financial Crime Studies, Charles Sturt University • conversation
April 2, 2024 ~7 min

AI makes Silicon Valley’s philosophy of ‘move fast and break things’ untenable

AI is one of many reasons the tech company mantra should be reconsidered, says an expert.

Constance De Saint Laurent, Assistant Professor of Sociotechnical Systems, Department of Psychology, National University of Ireland Maynooth • conversation
Nov. 21, 2023 ~6 min


What is proof-of-stake? A computer scientist explains a new way to make cryptocurrencies, NFTs and metaverse transactions

Ethereum, one of the world’s largest blockchains and host of decentralized finance, NFTs and billions of dollars’ worth of cryptocurrency, is poised to dramatically reduce its energy consumption.

Scott Ruoti, Assistant Professor of Computer Science, University of Tennessee • conversation
Sept. 12, 2022 ~6 min

Ethereum: second biggest cryptocurrency to cut energy use by over 99%, but the industry still has a long way to go

Cryptocurrency has a substantial carbon footprint. Ethereum have taken steps to address this, but will others follow suit?

Peter Howson, Assistant Professor in International Development, Northumbria University, Newcastle • conversation
Sept. 5, 2022 ~7 min

Scams and cryptocurrency can go hand in hand – here's how they work and what to watch out for

From initial coin offerings that are totally fake to fraudsters demanding payments in crypto, scams involving cryptocurrencies are on the rise. Two experts explain why – and how to protect yourself.

Stacey Wood, Professor of Psychology, Scripps College • conversation
June 21, 2022 ~8 min

How we describe the metaverse makes a difference – today's words could shape tomorrow's reality and who benefits from it

Who makes money from the metaverse, and how, comes down to what it becomes. And shaping the metaverse is, to a large degree, a matter of definitions.

Tom Boellstorff, Professor of Anthropology, University of California, Irvine • conversation
June 15, 2022 ~8 min

Cryptocurrency price collapse offers hope for slowing climate change – here's how

Bitcoin has lost over half of its value since November 2021.

Peter Howson, Senior Lecturer in International Development, Northumbria University, Newcastle • conversation
May 17, 2022 ~8 min

Can you truly own anything in the metaverse? A law professor explains how blockchains and NFTs don't protect virtual property

NFTs are hailed as the foundation of the metaverse economy because they allow you to purchase unique digital assets, from art to real estate. But legally, you might not own what you think you do.

João Marinotti, Associate Professor of Law, Indiana University • conversation
April 21, 2022 ~9 min


Bitcoin: Greenpeace says a code change could slash cryptocurrency energy use – here’s why it’s not so simple

Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.

Peter Howson, Senior Lecturer in International Development, Northumbria University, Newcastle • conversation
March 31, 2022 ~8 min

Bitcoin: could a simple code change really cut cryptocurrency's energy use by 99.9%?

Proof of Work mining is inherently wasteful, but don’t expect a switch any time soon.

Peter Howson, Senior Lecturer in International Development, Northumbria University, Newcastle • conversation
March 31, 2022 ~8 min

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