27 citations · 28 across the 3 of their papers we have counts for
4 papers
Accountable Fine-grained Blockchain Rewriting in the Permissionless Setting
Yangguang Tian, Bowen Liu, Yingjiu Li +2
Blockchain rewriting with fine-grained access control allows a user to create a transaction associated with a set of attributes, while another user (or modifier) who possesses enou…
A First Look into DeFi Oracles
Bowen Liu, Pawel Szalachowski, Jianying Zhou
Recently emerging Decentralized Finance (DeFi) takes the promise of cryptocurrencies a step further, leveraging their decentralized networks to transform traditional financial prod…
SMACS: Smart Contract Access Control Service
Bowen Liu, Siwei Sun, Pawel Szalachowski
Although blockchain-based smart contracts promise a ``trustless'' way of enforcing agreements even with monetary consequences, they suffer from multiple security issues. Many of th…
Fail-safe Watchtowers and Short-lived Assertions for Payment Channels
Bowen Liu, Pawel Szalachowski, Siwei Sun
The recent development of payment channels and their extensions (e.g., state channels) provides a promising scalability solution for blockchains which allows untrusting parties to…