595 citations · 688 across the 9 of their papers we have counts for
10 papers
Exploring Web3 From the View of Blockchain
Qin Wang, Rujia Li, Qi Wang +3
Web3 is the most hyped concept from 2020 to date, greatly motivating the prosperity of the Internet of Value and Metaverse. However, no solid evidence stipulates the exact definiti…
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.…
Formal Security Analysis on dBFT Protocol of NEO
Qin Wang, Rujia Li, Shiping Chen +1
NEO is one of the top public chains worldwide. We focus on its backbone consensus protocol, called delegated Byzantine Fault Tolerance (dBFT). The dBFT protocol has been adopted by…
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…
A Weak Consensus Algorithm and Its Application to High-Performance Blockchain
Qin Wang, Rujia Li
A large number of consensus algorithms have been proposed. However, the requirement of strict consistency limits their wide adoption, especially in high-performance required system…
Auditable Credential Anonymity Revocation Based on Privacy-Preserving Smart Contracts
Rujia Li, David Galindo, Qi Wang
Anonymity revocation is an essential component of credential issuing systems since unconditional anonymity is incompatible with pursuing and sanctioning credential misuse. However,…