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A $k$-out-of-$n$ Ring Signature with Flexible Participation for Signers
anonymity ring signature k-out-of-n property flexible participation
2018/8/10
A kk-out-of-nn ring signature is a kind of anonymous signature that can be performed by any member in a group. This signature allows the creation of valid signatures if and only if actual signers more...
CoverUp: Privacy Through "Forced" Participation in Anonymous Communication Networks
anonymous communication privacy enhancing technologies
2017/3/6
The privacy guarantees of anonymous communication networks (ACNs) are bounded by the number of participants. As a consequence, an ACN can only achieve strong privacy guarantees if it succeeds in attra...
Security Proofs for Participation Privacy and Stronger Veri ability for Helios
voting participation privacy privacy
2016/5/3
The Helios voting scheme is well studied including formal
proofs for verifiability and ballot privacy, but it does not provide participation
privacy (i.e. it reveals who participated in the election...