Blockchain is an inspiring emerging technology that takes much attention from various
researchers and companies. The technology offers various benefits such as data security …

Since the inception of Bitcoin, cryptocurrencies and the underlying blockchain technology
have attracted an increasing interest from both academia and industry. Among various core …

Blockchain is a distributed and decentralized ledger for recording transactions. It is
maintained and shared among the participating nodes by utilizing cryptographic primitives …

Abstract We present “Ouroboros Praos”, a proof-of-stake blockchain protocol that, for the first
time, provides security against fully-adaptive corruption in the semi-synchronous setting …

Electric Vehicles (EVs) have emerged as one of the most promising solutions for reducing
carbon emissions in smart cities. However, due to the limited battery life of EVs and the …

Blockchains, and specifically smart contracts, have promised to create fair and transparent
trading ecosystems. Unfortunately, we show that this promise has not been met. We …

We present" Gasper," a proof-of-stake-based consensus protocol, which is an idealized
version of the proposed Ethereum 2.0 beacon chain. The protocol combines Casper FFG, a …

We propose Tesseract, a secure real-time cryptocurrency exchange service. Existing
centralized exchange designs are vulnerable to theft of funds, while decentralized …

In the past five years or so, numerous blockchain projects have made tremendous progress
towards improving permissioned consensus protocols (partly due to their promised …

Trading on decentralized exchanges has been one of the primary use cases for
permissionless blockchains with daily trading volume exceeding billions of US ‍dollars. In the …