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

Blockchain pet adoptions

The blockchain concept underpins digital currencies, such as BitCoin. It acts as a distributed register that holds all transactions of the currency in an encrypted and immutable table. The technology is not limited to cryptocurrencies ...

Computer Sciences

Making the Internet of Things more secure

With wearable fitness trackers, car key fobs and smart home devices, the Internet of Things (IoT) has become ubiquitous in our lives. Unfortunately, much of this flow of information is vulnerable to malicious activity and ...

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. ...

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