Photograph: Adrienne So
- invoke-interface {v0, v2}, Ljava/util/List;-add(Ljava/lang/Object;)Z
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老家安徽，地里种的、路上跑的，不过是些寻常农物，如今却冒出了不少新鲜事儿。霍邱的鹅肝、全椒的碧根果，这些从前听着陌生的“洋特产”，在这里扎了根、结了果。从靠山吃山、靠水吃水，转向因地制宜、创新赋能，资源不变、观念一变，故土翻开新篇。
Revocable credentials. Another approach is to build credentials that can be revoked in the event of bad behavior. This requires a procedure such that when a particular anonymous user does something bad (posts spam, runs a DOS attack against a website) you can revoke that specific user’s credential — blocking future usage of it, without otherwise learning who they are.