As an integral part of the decentralized finance (DeFi) ecosystem, decentralized exchanges
(DEXs) with automated market maker (AMM) protocols have gained massive traction with …

Enhancing privacy on smart contract-enabled blockchains has garnered much attention in
recent research. Zero-knowledge proofs (ZKPs) is one of the most popular approaches …

Recent years have seen the emergence of practical advanced cryptographic tools that not
only protect data privacy and authenticity, but also allow for jointly processing data from …

In traditional financial markets, front-running is a well-structured phenomenon. It represents
a form of privileged actors utilizing knowledge or power advantages to extract undue profit at …

A decentralized exchange (DEX) records every transaction on a blockchain, so it is much
slower than a centralised exchange (CEX) which is only linked to a blockchain via a wallet …

Existing centralized cryptocurrency exchanges designed as trusted central entities are
vulnerable to theft of funds, while decentralized exchanges that make all orders public are …

Marketplace applications are a popular application category for blockchains because they
allow the possibility for parties to transact without the need of a trusted middleman entity …

The crucial blockchain privacy and scalability demand has boosted off-chain contract
execution frameworks for years. Some have recently extended their capabilities to transition …

In this dissertation, we explore the technical nuances of blockchain technology, its diverse
applications, and the unforeseen consequences that have emerged. Cryptojacking, initially …

Decentralized systems are distributed systems that disperse computation tasks to multiple
parties without relying on a trusted central authority. Since any party can be attacked and …