Sometimes we want to do prove more interesting things with a digital credential. For example, imagine that I want to join a cryptocurrency exchange that needs more complicated assurances about my identity. For example: it might require that I’m a US resident, but not a resident of New York State (which has its own regulations.) The site might also demand that I’m over the age of 25. (I am literally making these requirements up as I go.) I could satisfy the website on all these fronts using the digitally-signed driver’s license issued by my state’s DMV. This is a real thing! It consists of a signed and structured document full of all sorts of useful information: my home address, state of issue, eye color, birthplace, height, weight, hair color and gender. In this world, the non-anonymous solution is easy: I just hand over my digitally-signed license and the website verifies the properties it needs in the various fields.
«Мы выбиваем из них всю дурь». Трамп рассказал о ситуации на Ближнем Востоке и назвал «колоссальную угрозу» со стороны Ирана07:11
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對於中國解放軍而言，現在的局面也是史無前例的——在習近平上台前，根據公開資料統計，中共歷史上被處理的上將僅有一位黃永勝，他在1971年因林彪叛逃事件牽連而被處理。鄧小平、江澤民、胡錦濤時代都無上將被處理。習近平上台後，已有25名上將被開除黨籍、軍籍，其中除了徐才厚、郭伯雄等八人在習上台之前就已是上將，其餘都是他任內提拔，又在他任內被查。
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