Dr. Sisi Duan is a researcher at Tsinghua University. She received her Ph.D. from the University of California, Davis in 2014 and her bachelor degree from the University of Hong Kong in 2010. Her research interests include distributed systems security, blockchain, and applied cryptography. Her works have been adopted by many industrial blockchain systems such as Hyperledger Iroha hosted by the Linux Foundation and the mBridge project led by Bank for International Settlements. She has served as the TPC for conferences such as S&P, CCS, and NDSS.