Zachary Painter is a Ph.D. student at the University of Central Florida. His area of research includes concurrent programming, transactional data structures, and blockchain concurrency. His prior work includes a lock-free transactional adjacency list as well as a parallel Hash-Mark-Set on the Ethereum Blockchain in which he proposed a fast, lock-free algorithm for providing a read-uncommitted view of blockchain transactions. Zachary has also made contributions to blockchain related research, including a read-uncommitted view for smart contract performance. During his research, he has gained experience with several blockchain platforms including Ethereum and Stellar.