Blockchain is one of the most interesting emerging technologies nowadays, with
applications ranging from cryptocurrencies to smart contracts. This paper presents a review …

Data Integrity is one of the primary concepts in information security. The main task of the
cryptographic hash function is to assure the integrity of the transmitted data. In this work …

Secure multi-party sum is one of the most important secure multi-party computation
protocols. It has been widely applied to solve many privacy-preservation problems such as …

Bitcoin is the world's first blockchain-based, peer-to-peer cryptocurrency system. Being
tremendously successful, the Bitcoin system is designed to support reliable, secure, and …

Many online applications, especially in the financial industries, are running on blockchain
technologies in a decentralized manner, without the use of an authoritative entity or a trusted …

The self-sovereign identity (SSI) model entails the full responsibility and sovereignty of a
user regarding his identity data. This identity data can contain private data which is solely …

We show how a small subgroup confinement-like attack may be mounted on the Bitcoin
addresses generation protocol, by inspecting a special subgroup of the group associated to …

Secure hash functions play a fundamental role in cryptographic and web applications. They
are mainly used, in the context of digital signatures, to verify the integrity and authenticity of …

Steganography has been used as a way to hide data in files or in messages traveling on
communication channels. Its use can be worrisome when it is used without proper …

In recent literature, there has been a particular interest in studying nonce-based
Authenticated Encryption (AE) schemes in the light of fault-based attacks as they seem to …