12 citations · 39 across the 21 of their papers we have counts for
7 papers · 1 filter
Authenticated Data Structures for Dynamic Workloads
Ziheng Shangguan, Aviv Yaish, Dahlia Malkhi
We introduce the Huffman-Merkle Tree (HMT), an authenticated data structure (ADS) for dynamic workloads where items may differ in access frequencies, and access frequencies can cha…
FISSION: Label Augmentation for Bot Detection
Sen Yang, Ignacy Nieweglowski, Aviv Yaish
Bot accounts and coordinated influence operations are often discovered via heuristic methods, leaving a dearth of reliable ground-truth labels for training detection systems. To ad…
Freemium Is All You Need
Maxim Bichuch, Aviv Yaish
Free access to a generative AI (GenAI) service requires costly compute, yet can also produce data that improve future service quality. We study a service provider whose users diffe…
Order Auctions with Private Position Preferences
Ruijie Wang, Aviv Yaish
We study auctions where two positions are sold to unit-demand bidders with private heterogeneous order preferences: some are specialists} who value only the first position, while o…
Modern Portfolio Theory in the Crypto-Wilderness
Ivan Vynyavskyy, Stefan Kitzler, Bernhard Haslhofer +1
Modern Portfolio Theory (MPT) prescribes how to maximise the return of an asset portfolio for a given level of risk. The optimal trade-off between return and variance defines the e…
Your Loss is My Gain: Low Stake Attacks on Liquid Staking Pools
Sen Yang, Aviv Yaish, Arthur Gervais +1
Permissionless Proof-of-Stake (PoS) economic security is predicated on the high cost of violating consensus safety or liveness. We show that liquid staking introduces additional ri…
Perils of Parallelism: Transaction Fee Mechanisms under Execution Uncertainty
Sarisht Wadhwa, Aviv Yaish, Fan Zhang +1
Modern blockchains increasingly rely on parallel execution to improve throughput. We show several industry and academic transaction fee mechanisms (TFMs) struggle to simultaneously…