The efficiency problem becomes obvious when you consider a user who accesses a website site many times. For example, imagine using an anonymous credential to replace Google’s session cookies. For most users, this require obtaining and delivering thousands of single-use credentials every single day. You might mitigate this problem by using credentials only for the first registration to a website, after which you can trade your credential for a pseudonym (such as a random username or a normal session cookie) for later accesses. But the downside of this is that all of your subsequent site accesses would be linkable, which is a bit of a privacy tradeoff.
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Amir Husain, coauthor of Hyperwar: Conflict and Competition in the AI Century, said that AI is being used to compress the U.S. military’s decision-making framework, known as the OODA loop—an acronym for observe, orient, decide, and act. He said AI is already playing a significant role in observation, or in interpreting satellite and electronic data, tactical-level decision-making, and the “act” phase, specifically through autonomous drones that must operate without human guidance when signals are jammed. Some of those drones are actually copycats of Iran’s own autonomous Shahed drones.