Zcash is an implementation of the Decentralized Anonymous Payment scheme Zerocash,
with security fixes and improvements to performance and functionality. It bridges the existing …

This paper introduces Flamingo, a system for secure aggregation of data across a large set
of clients. In secure aggregation, a server sums up the private inputs of clients and obtains …

In the era of smart healthcare, Internet of Medical Things-based Cyber-Physical Systems
(IoMT-based-CPS) play an important role in acquiring, evaluating, monitoring, tracking, and …

RFC 9380: Hashing to Elliptic Curves Page 1 RFC 9380 Hashing to Elliptic Curves Abstract
This document specifies a number of algorithms for encoding or hashing an arbitrary string to a …

Traitor-tracing systems allow identifying the users who contributed to building a rogue
decoder in a broadcast environment. In a traditional traitor-tracing system, a key authority is …

In Proof-of-Stake (PoS) and permissioned blockchains, a committee of verifiers agrees and
sign every new block of transactions. These blocks are validated, propagated, and stored by …

In the algebraic group model (AGM), an adversary has to return with each group element a
linear representation with respect to input group elements. In many groups, it is easy to …

Abstract At CANS'20, El Housni and Guillevic introduced a new 2-chain of pairing-friendly
elliptic curves for recursive zero-knowledge Succinct Non-interactive ARguments of …

There have been notable improvements in discrete logarithm computations in finite fields
since 2015 and the introduction of the Tower Number Field Sieve algorithm (TNFS) for …

OPAQUE [Jarecki et al., Eurocrypt 2018] is an asymmetric password authenticated key
exchange (aPAKE) protocol that is being developed as an Internet standard and for use …