collaborators

6 papers

q-fin.GN2026

Auditing Asset-Specific Preferences in Financial Large Language Models: Evidence from Bitcoin Representations and Portfolio Allocation

Wenbin Wu

Large language models now power robo-advisors and trading agents, yet whether they carry built-in biases toward specific assets is largely untested. We ask three questions: do LLMs…

cs.AI2026

DeXposure-Claw: An Agentic System for DeFi Risk Supervision

Aijie Shu, Bowei Chen, Wenbin Wu +2

Decentralized finance exposes supervisors to fast-moving, networked credit risks. General-purpose LLM agents fit this setting poorly: they over-read weak evidence and recommend hig…

econ.GN2026

Tokens All the Way Down: A Money View of Decentralized Finance

Wenbin Wu

In traditional banking, repeated deposit-and-lend cycles let a single dollar of reserves support multiple dollars of claims. Decentralized finance produces an analogous structure w…

cs.CL2026

Aligning to Illusions: Choice Blindness in Human and AI Feedback

Wenbin Wu

Reinforcement Learning from Human Feedback (RLHF) assumes annotator preferences reflect stable internal states. We challenge this through three experiments spanning the preference…

cs.LG2026

DeXposure-FM: A Time-series, Graph Foundation Model for Credit Exposures and Stability on Decentralized Financial Networks

Aijie Shu, Wenbin Wu, Gbenga Ibikunle +1

Credit exposure in Decentralized Finance (DeFi) is often implicit and token-mediated, creating a dense web of inter-protocol dependencies. Thus, a shock to one token may result in…

cs.LG2025

DeXposure: A Dataset and Benchmarks for Inter-protocol Credit Exposure in Decentralized Financial Networks

Wenbin Wu, Kejiang Qian, Alexis Lui +5

We curate the DeXposure dataset, the first large-scale dataset for inter-protocol credit exposure in decentralized financial networks, covering global markets of 43.7 million entri…