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New Frontiers of Distributed Key Generation and Applications

日期:2024-07-03                   來(lái)源:                   作者:               關(guān)注:次

報(bào)告人: Qiang Tang                              

報(bào)告時(shí)間:2024年7月6日10:30-12:00

報(bào)告地點(diǎn):江安校區(qū)多學(xué)科交叉研究創(chuàng)新大樓九樓919報(bào)告廳

報(bào)告內(nèi)容:

Distributed key generation (DKG) is a classical distributed crypto primitive that has been extensively studied for small scale in house deployments. However, the recent surge of blockchain applications raises a qualitatively different challenge for DKG on a massive scale. The long standing cubic complexity stands as a clear barrier. In this talk, we will introduce our recent progress on DKG: theory-wise: we give the first DKG with sub-cubic complexity after many years of research on DKG; practice-wise, we design a practical DKG protocol that could be scale to the whole blockchain network that enable the first realization of all-hands checkpointing, which is instrumental for securing proof of stake blockchain against long range attacks.

報(bào)告人簡(jiǎn)介:

Qiang Tang is currently a Senior Lecturer (~U.S. Associate Professor) at The University of Sydney. Before joining USyd, he was an assistant professor at New Jersey Institute of Technology,  and Director of JD-NJIT-ISCAS Joint Blockchain Lab. He was also a postdoc at Cornell. His research span broadly in cryptography and blockchain, and his work mostly appeared at flagship venues of security/crypto/distributed computing. He won a few prestigious awards including Sydney Research Accelerator (SOAR) Prize, “MIT Technical Review” 35 (Chinese) Innovators under 35; Google Faculty Award; NJIT Research Excellence Award; Research awards from world leading blockchain foundations such as Ethereum, Stellar, Protocol Labs, and more. He was a PC chair of PKC24.


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