Paper Reading: SoK: Data Sovereignty

Abstract

去中⼼化⾝份 去中⼼化访问控制 符合政策的去中⼼化计算((i) decentralized identity, (ii) decentralized access control (iii) policy-compliant decentralized computation)

1. Intro

虽然去中⼼化⾝份允许⽤⼾通过了解密钥来披露敏感信息，但能够控制数据访问和处理⽅式的补充解决⽅案仍然不发达。
当前的技术，⽆论是去中⼼化⾝份还是去中⼼化访问控制，都不⾜以为⽤⼾提供对其数据处理⽅式的控制。因此，我们引⼊符合政策的去中⼼化计算作为独⽴利益的贡献

Verifiable Registry A verifiable registry is an append-only data structure that is collaboratively maintained by a network of mutually distrustful parties. The verifiable registry represents a digital bulletin board, whosecurrent state is publicly verifiable and agreed upon bya set of validator nodes through a consensus algorithm.In the remainder of this work, we consider the verifiable registry to be a distributed ledger L, as it constitutes the most commonly used data structure that fulfills the need for a verifiable registry [7]. Unless otherwise stated, we consider a permissionless distributed ledger where users can join and leave at any given point in time.