Blockchain and other Distributed Ledger Technologies (DLTs) have evolved significantly in
the last years and their use has been suggested for numerous applications due to their …

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Cryptography has been used from time immemorial for preserving the confidentiality of
data/information in storage or transit. Thus, cryptography research has also been evolving …

We propose an efficient commutative group action suitable for non-interactive key exchange
in a post-quantum setting. Our construction follows the layout of the Couveignes–Rostovtsev …

Rapid advances in quantum computing, together with the announcement by the National
Institute of Standards and Technology (NIST) to define new standards for digitalsignature …

Although quantum computing is still in its nascent age, its evolution threatens the most
popular public-key encryption systems. Such systems are essential for today's Internet …

Lattice-based cryptography offers some of the most attractive primitives believed to be
resistant to quantum computers. Following increasing interest from both companies and …

We study cryptosystems based on supersingular isogenies. This is an active area of
research in post-quantum cryptography. Our first contribution is to give a very powerful active …

We present two new Verifiable Delay Functions (VDF) based on assumptions from elliptic
curve cryptography. We discuss both the advantages and drawbacks of our constructions …

Designing public key cryptosystems that resist attacks by quantum computers is an important
area of current cryptographic research and standardization. To retain confidentiality of …