Since the inception of Bitcoin, a plethora of distributed ledgers differing in design and
purpose has been created. While by design, blockchains provide no means to securely …

Blockchains are gaining traction and acceptance, not just for cryptocurrencies, but
increasingly as an architecture for distributed computing. In this work we seek solutions that …

In this paper, we introduce a distributed key generation (DKG) protocol with aggregatable
and publicly-verifiable transcripts. Compared with prior publicly-verifiable approaches, our …

A secret sharing scheme enables one party to distribute shares of a secret to n parties and
ensures that an adversary in control of t out of n parties will learn no information about the …

In this paper, the first data trading certification blockchain solution based on consortium
blockchain and smart contracts is proposed to solve the certification data security problem in …

All of us know that cryptography is an innovative security strategy. Network security
construction with authentication techniques of its layers through blockchain technologies is …

Central banks around the world are exploring and in some cases even piloting central bank
digital currencies (CBDCs). CBDCs promise to realize a broad range of new capabilities …

We discuss the challenge of achieving an auditable key management for cryptographic
access control to high-value sensitive data. In such settings it is important to be able to audit …

This article proposes a competitive-evolving-committee proactive secret sharing. Every
participant in the system has the opportunity to become a member of the holding committee …