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How does ShapeShift operate on 0-1 confirmations

Bitcoin feeds -

ShapeShift can exchange user's crypto currency almost instantly. They state that most transactions don't require any confirmations: Small deposits are processed with zero confirmations. Larger deposits wait for at least 1 confirmation. How can they do this and cover themselves from (...)

Hey, Apple User! Check If You are also Affected by the Sparkle Vulnerability

The Hacker News -

A pair of new security vulnerabilities has been discovered in the framework used by a wide variety of Mac apps leaves them open to Man-in-the-Middle (MitM) attacks. The framework in question is Sparkle that a large number of third-party OS X apps, including Camtasia, uTorrent, Duet Display and Sketch, use to facilitate automatic updates in the background. Sparkle is an open source

Boeing Installs World's Largest 'Reversible' Renewable Energy Storage System

Slashdot -

Lucas123 writes: Boeing announced that it has installed a first-of-its-kind 50MW Solid Oxide Fuel Cell (SOFC) system on a naval base in Port Hueneme, Calif. The fuel cell system, which can scale to 400KW, is unique in that it uses solar power to generate hydrogen gas from seawater, which it then stores until power and it releases the gas into a fuel cell stack to produce electricity, heat and water. Because the system can both store energy and produce electricity, Boeing is calling the fuel cell system "reversible." The Navy's Engineering and Expeditionary Warfare Center is testing the fuel cell system on a microgrid to determine its viability for use at both remote bases and during overseas military missions.

Read more of this story at Slashdot.

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