可以说，在“身体怎么造、脑子怎么练、数据怎么来、商业怎么跑”的每一环，具身智能都处于一种“有生命力的非共识”状态，而且各维度深度耦合：选了便宜的本体，可能就要在算法上做更复杂的补偿；追求极致的世界模型，就必须承受更高的数据与运维成本。没有人能像当年看NLP那样说：Transformer+大参数+海量文本就是唯一答案。
Before we get into the weeds of building anonymous credentials, it’s worth considering the obvious solution. What we want is simple: every user’s credential should be indistinguishable when “shown” to the resource. The obvious question is: why doesn’t the the issuer give a copy of the exact same exact credential to each user? In principle this solves all of the privacy problems, since every user’s “show” will literally be identical. (In fact, this is more or less the digital analog of the physical wristband approach.)，更多细节参见heLLoword翻译官方下载
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