Grace
#meta
[Grace]
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Grace is an extra character. A government representative. For example, Grace may try to force Alice or Bob to implement backdoors in their protocols. Grace may also deliberately weaken standards.
Cho, Hyunghoon; Ippolito, Daphne; Yun William Yu (2020). "Contact Tracing Mobile Apps for COVID-19: Privacy Considerations and Related Trade-offs". arXiv:2003.11511 [cs.CR].