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

Giving cryptocurrency users more bang for their buck

A new cryptocurrency-routing scheme co-invented by MIT researchers can boost the efficiency—and, ultimately, profits—of certain networks designed to speed up notoriously slow blockchain transactions.

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 ...

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. ...

Business

Virus upends outsourcing as firms 'reshore', embrace AI

Coronavirus is permanently shaking up the global outsourcing industry as lockdowns from Bangalore to Manila prompt firms to "reshore" jobs and, with AI, to move further away from needing humans at all.

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