Enlarge / The bitcoin network uses several times the 1.21 gigawatts required to travel back in time. The bitcoin network is run by miners, computers that maintain the shared transaction ledger called the blockchain. A new study estimates that this process consumes at least 2.6GW of power—almost as much electric power as Ireland consumes. This figure could rise to 7.7GW before the end of 2018—accou
Ubuntu 18.04 follows the lead set by 17.10 and uses the GNOME interface, but it defaults to the Xorg rendering engine instead of Wayland (which was used in the previous release). The major interface changes to Ubuntu in 18.04 will be familiar territory to GNOME users—especially those who have used recent Debian distributions and Ubuntu 17.10 (Artful Aardvark). To those who are used to Ubuntu 16.04
Developers of Ethereum, the world's No. 2 digital currency by market capitalization, have closed a serious security hole that allowed virtually anyone with an Internet connection to manipulate individual users' access to the publicly accessible ledger. So-called eclipse attacks work by preventing a cryptocurrency user from connecting to honest peers. Attacker-controlled peers then feed the target
Each month, the patent lawyers at the Electronic Frontier Foundation shine a spotlight on one particular patent they believe is a drag on innovation. This month, they're looking at one of the fastest-growing sectors of technology: machine learning and artificial intelligence. EFF lawyer Daniel Nazer has picked out an artificial intelligence patent belonging to Hampton Creek, a San Francisco food-t
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