An Outlier-aware Consensus Protocol for Blockchain-based IoT Networks Using Hyperledger Fabric
University of Central Florida
在PBFT之外加上一层outlier detection，可有效去除malicious nodes带给系统的不利影响。
Scalable and Probabilistic Leaderless BFT Consensus through Metastability
Cornell University
snow协议族最近进展
BitcoinHeist: Topological Data Analysis for Ransomware Detection on the Bitcoin Blockchain
University of Texas at Dallas
目前的大多数勒索攻击(ransomware attacks)以比特币为支付手段，文中提出一种基于topological data analysis的方法，根据比特币的tx记录，分别出攻击者的收款地址。