Energy & Green Tech

How to make your online shopping more environmentally friendly

Online shopping continues to grow at a phenomenal rate. In 2018, the market value of UK retail was £381 billion of which online transactions made up almost one-fifth. That's £12.3 billion of grocery items and £58.8 billion ...

Computer Sciences

The blockchain concept

Blockchain is the technology that underpins cryptocurrencies such as Bitcoin. Fundamentally, the blockchain is simply a ledger, a digital record of transactions associated with a digital currency, a Bitcoin, for instance. ...

Security

Researchers invent low-cost alternative to Bitcoin

The cryptocurrency Bitcoin is limited by its astronomical electricity consumption and outsized carbon footprint. A nearly zero-energy alternative sounds too good to be true, but as School of Computer and Communication Sciences ...

Computer Sciences

Making blockchain transactions secure and private

Blockchains have become an important part of internet technology. They are used for cryptocurrencies such as Bitcoin, but also for other security-sensitive tasks, such as managing supply chains for high-tech factories. Although ...

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