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~ similar to 2604.19514v1· 20 results

cs.CRcs.AIcs.LGRecentMay 28, 2026

Temporal Motif-aware Graph Test-time Adaptation for OOD Blockchain Anomaly Detection

Runang He, Tongya Zheng, Huiling Peng, Yuanyu Wan +5 more

The paper proposes TEMG-TTA, a novel framework that combines temporal motif awareness and test-time adaptation to significantly improve Out-of-Distribution (OOD) anomaly detection in complex blockchai…

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cs.CRcs.AIcs.LGRecentMay 28, 2026

Temporal Motif-aware Graph Test-time Adaptation for OOD Blockchain Anomaly Detection

Runang He, Tongya Zheng, Huiling Peng, Yuanyu Wan +5 more

The paper proposes TEMG-TTA, a novel framework that uses temporal motif-aware graph test-time adaptation to significantly improve Out-of-Distribution (OOD) anomaly detection on complex cryptocurrency…

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cs.CRRecentMay 2, 2026

Phishing Detection in Ethereum via Temporal Graph Contrastive Learning

Cong Wu, Jing Chen, Siqi Lin, Hongda Li +1 more

The paper introduces PhishEye, a fully dynamic self-supervised system that models Ethereum transactions as a heterogeneous temporal attributed multi-graph and uses temporal graph contrastive learning…

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cs.CRcs.SIRecentJun 3, 2026

Bernoulli CUSUM and Bayes-Optimal Detection Ceilings for Trust Fraud in Sparse Rating Networks

Talal Ashraf Butt

The paper proposes a dual-regime architecture combining Bernoulli CUSUM and asymmetric scoring to significantly improve trust fraud detection in sparse rating networks, achieving superior performance…

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cs.CRcs.SERecentApr 28, 2026

GenDetect: Generalizing Reactive Detection for Resilience Against Imitative DeFi Attack Cascade

Bowen Cai, Weiheng Bai, Youshui Lu, Haoran Xu +3 more

GenDetect introduces a novel framework to rapidly generalize detection rules from single observed DeFi exploits, significantly improving resilience against subsequent, similar 'Imitative Attack Cascad…

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cs.DCcs.CRcs.GTRecentApr 21, 2026

Intercloud: Eventual Consistency for Decentralised Economies via Chilling-Effect Consensus

Gregory Magarshak

Intercloud proposes a decentralized economic network that achieves eventual consistency and security using a novel 'chilling-effect consensus' mechanism, eliminating the need for global coordination.

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cs.CRcs.LGRecentMay 16, 2026

Universal Graph Backdoor Defense: A Feature-based Homophily Perspective

Mengting Pan, Fan Li, Chen Chen, Xiaoyang Wang

The paper proposes a universal graph backdoor defense framework that addresses feature-based graph backdoor attacks, which are more challenging than traditional subgraph-based attacks, by leveraging l…

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cs.CRcs.AIcs.LGRecentMay 12, 2026

GraphIP-Bench: How Hard Is It to Steal a Graph Neural Network, and Can We Stop It?

Kaixiang Zhao, Bolin Shen, Yuyang Dai, Shayok Chakraborty +1 more

The paper introduces GraphIP-Bench, a unified benchmark that demonstrates that stealing Graph Neural Networks (GNNs) is relatively easy, and existing defenses often fail to maintain their integrity af…

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cs.CRcs.DCcs.GTRecentJun 3, 2026

Bitcoin After Block Rewards

Junhyuk Lee

This paper analyzes the conditions under which Bitcoin's security might fail due to miners deviating from honest mining when block rewards decline to zero, concluding that protocol mechanisms can miti…

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cs.CRcs.AIcs.LGRecentMay 17, 2026

SCAFDS: Edge-Feature Graph Attention for Interbank Fraud Detection with Attribution-Grounded SAR Generation

Mohammad Nasir Uddin

SCAFDS introduces a novel, seven-stage graph attention system that models fraud propagation using co-occurrence edge features and generates forensically traceable SAR narratives, significantly improvi…

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q-fin.GNcs.CYcs.LGRecentJun 1, 2026

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

Wenbin Wu

The paper demonstrates that large language models (LLMs) exhibit measurable, controllable biases toward specific assets like Bitcoin, identifying an internal feature that can causally shift portfolio…

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cs.CRRecentMay 20, 2026

Rethinking Fraud Safety Evaluation: Multi-Round Attacks Reveal Safety-Utility Tradeoffs in Graph-Context LLM Defenders

Laura Jiang, Reza Ryan, Qian Li, Nasim Ferdosian

The paper evaluates graph-context LLM defenders against multi-round, adaptive fraud attacks, finding that while graph context improves early safety, it significantly increases benign over-refusal due…

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cs.GTcs.CRRecentMay 7, 2026

Adversarial procurement in blockchains

Maryam Bahrani, Michael Neuder, S. Matthew Weinberg

The paper designs an optimal mechanism for soliciting expensive computational tasks in adversarial blockchain environments, showing that the loss of optimality scales logarithmically with the cost of…

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cs.CRcs.CYRecentMar 25, 2026

From Hype to Collapse: Investigating Rug Pull Scams on Solana

Jiaxin Chen, Ziwei Li, Zigui Jiang, Ruihong He +3 more

This paper analyzes the Solana Rug Pull ecosystem by creating a large-scale, manually verified dataset of fraudulent tokens, identifying three key behavioral patterns, and characterizing the resulting…

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cs.CRRecentMay 13, 2026

Extending Blockchain Untraceability with Plausible Deniability

Eunchan Park, Kyonghwa Song, Won Hoi Kim, Wonho Song +1 more

The paper introduces Deniable Covert Asset Transfer (DCAT), a method that stages asset transfers to appear as ordinary, loss-producing DeFi activities, achieving empirical unobservability on major blo…

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cs.CRcs.CYcs.DCRecentJun 3, 2026

The Usefulness Gap in Proof-of-Useful-Work: An Empirical Study of Pearl's cuPOW Protocol

Abhinaba Basu

This empirical study of Pearl's cuPOW protocol demonstrates that the network's Proof-of-Useful-Work mechanism generates zero useful AI computation, instead causing economic harm and displacing legitim…

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cs.CRcs.LGRecentMay 17, 2026

Filter-then-Verify: A Multiphase GNN and ModernBERT Framework for Social Engineering Detection in Email Networks

Barsat Khadka, Prasant Koirala, Kshitiz Neupane, Nick Rahimi

The paper proposes a two-stage filter-then-verify framework combining GNNs and ModernBERT to accurately detect complex social engineering attacks in email networks by analyzing both structural pattern…

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cs.CRstat.APRecentMay 8, 2026

Combating Organized Platform Abuse: Amplifying Weak Risk Signals with Structural Information

Meng He, Jia Long Loh

The paper proposes a novel structural invariant approach, derived from the economic constraints of fraud, that amplifies weak, low-precision signals into highly accurate fraud detections without requi…

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q-fin.GNcs.CRRecentApr 30, 2026

The Satoshi Overhang: Why the Bear Case is Bounded

Karl T. Ulrich

The paper analyzes the potential market impact of a large, unknown Bitcoin holder (the Satoshi overhang) and concludes that the mechanical downside risk is bounded, suggesting the terminal states are…

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cs.LGcs.CRRecentMar 30, 2026

ORACAL: A Robust and Explainable Multimodal Framework for Smart Contract Vulnerability Detection with Causal Graph Enrichment

Tran Duong Minh Dai, Triet Huynh Minh Le, M. Ali Babar, Van-Hau Pham +1 more

ORACAL, a novel multimodal framework, achieves state-of-the-art smart contract vulnerability detection by integrating control, data, and call graphs with causal reasoning and LLM-enhanced explainabili…

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