8 citations · 15 across the 4 of their papers we have counts for
7 papers
Frontrunning Block Attack in PoA Clique: A Case Study
Xinrui Zhang, Qin Wang, Rujia Li +1
As a fundamental technology of decentralized finance (DeFi), blockchain's ability to maintain a distributed fair ledger is threatened by manipulation of block/transaction order. In…
Exploring Unfairness on Proof of Authority: Order Manipulation Attacks and Remedies
Qin Wang, Rujia Li, Qi Wang +2
Proof of Authority (PoA) is a type of permissioned consensus algorithm with a fixed committee. PoA has been widely adopted by communities and industries due to its better performan…
SoK: TEE-assisted Confidential Smart Contract
Rujia Li, Qin Wang, Qi Wang +2
The blockchain-based smart contract lacks privacy since the contract state and instruction code are exposed to the public. Combining smart-contract execution with Trusted Execution…
How Do Smart Contracts Benefit Security Protocols?
Rujia Li, Qin Wang, Qi Wang +1
Smart contracts have recently been adopted by many security protocols. However, existing studies lack satisfactory theoretical support on how contracts benefit security protocols.…
Non-Fungible Token (NFT): Overview, Evaluation, Opportunities and Challenges
Qin Wang, Rujia Li, Qi Wang +1
The Non-Fungible Token (NFT) market is mushrooming in recent years. The concept of NFT originally comes from a token standard of Ethereum, aiming to distinguish each token with dis…
An Offline Delegatable Cryptocurrency System
Rujia Li, Qin Wang, Xinrui Zhang +3
Blockchain-based cryptocurrencies, facilitating the convenience of payment by providing a decentralized online solution, have not been widely adopted so far due to slow confirmatio…