Blockchain, as a decentralized and distributed public ledger technology in peer-to-peer
network, has received considerable attention recently. It applies a linked block structure to …

The transactions in blockchain framework, based cryptocurrencies are publicly available,
thereby accessible to all users by design. However, the anonymity of blockchain …

In this work, we initially study the necessary properties and security requirements of Ring
Confidential Transaction (RingCT) protocol deployed in the popular anonymous …

Recently, many academic institutions and standardization organizations have conducted
research on vehicular communications based on LTE or 5G. As the most important …

“Bitcoin”[1] has been a successful implementation of the concept of p2p electronic cash.
Both professionals and the general public have come to appreciate the convenient …

In this paper, we construct a Lattice-based one-time Linkable Ring Signature (L2RS)
scheme, which enables the public to verify if two or more signatures were generated by …

Abstract Internet-of-Things (IoT) envisions communications between heterogeneous devices
and utilization of the associated data for smart decision making. Blockchain bridges the gap …

Existing threshold signature schemes come in two flavors:(i) fully private, where the
signature reveals nothing about the set of signers that generated the signature, and (ii) …

In this paper, we construct a linkable ring signature scheme with unconditional anonymity. It
has been regarded as an open problem in [22] since 2004 for the construction of an …

With opportunities brought by Internet of Things (IoT), it is quite a challenge to assure privacy
preservation when a huge number of resource-constrained distributed devices is involved …