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Financial Technology @fin_tech

#FinTech News, Notes and Reports

Joined June 2011
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FC-GUARD: Enabling Anonymous yet Compliant Fiat-to-Cryptocurrency Exchanges bit.ly/4sQtJNs

FC-GUARD: Enabling Anonymous yet Compliant Fiat-to-Cryptocurrency Exchanges

With the rise of decentralized finance, fiat-to-cryptocurrency exchange platforms have become popular entry points into the cryptocurrency ecosystem. However, these platforms frequently fail to...

arxiv.org
52
Eclipse Attacks on Ethereum's Peer-to-Peer Network bit.ly/4qHkb6b

Eclipse Attacks on Ethereum's Peer-to-Peer Network

Eclipse attacks isolate blockchain nodes by monopolizing their peer-to-peer connections. The attacks were extensively studied in Bitcoin (SP'15, SP'20, CCS'21, SP'23) and Monero (NDSS'25), but...

arxiv.org
43
From Transactions to Exploits: Automated PoC Synthesis for Real-World DeFi Attacks bit.ly/4k3qv5l

From Transactions to Exploits: Automated PoC Synthesis for...

Blockchain systems are increasingly targeted by on-chain attacks that exploit contract vulnerabilities to extract value rapidly and stealthily, making systematic analysis and reproduction highly...

arxiv.org
40
"What I Sign Is Not What I See": Towards Explainable and Trustworthy Cryptocurrency Wallet Signatures bit.ly/3LYKqFM

"What I Sign Is Not What I See": Towards Explainable and...

Cryptocurrency wallets have become the primary gateway to decentralized applications, yet users often face significant difficulty in discerning what a wallet signature actually does or entails....

arxiv.org
34
Assessing Vulnerability in Smart Contracts: The Role of Code Complexity Metrics in Security Analysis bit.ly/4t0Nr9s

Assessing Vulnerability in Smart Contracts: The Role of Code...

Software built on poor structural patterns often shows higher exposure to security defects. When code differs from established best practices, verification and maintenance become increasingly...

arxiv.org
42
Blockchain-Based Spectrum Resource Securitization via Semi-Fungible Token-Lock bit.ly/4pUpxty

Blockchain-Based Spectrum Resource Securitization via...

As 6G networks evolve, spectrum assets require flexible, dynamic, and efficient utilization, motivating blockchain based spectrum securitization. Existing approaches based on ERC404 style hybrid...

arxiv.org
32
Evaluating Compiler Optimization Impacts on zkVM Performance bit.ly/4qxFiaJ
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Incentive Mechanism Design for Privacy-Preserving Decentralized Blockchain Relayers bit.ly/49ERHlZ
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Mean Field Analysis of Blockchain Systems bit.ly/3LdJX2q

Mean Field Analysis of Blockchain Systems

We present a novel framework for analyzing blockchain consensus mechanisms by modeling blockchain growth as a Partially Observable Stochastic Game (POSG) which we reduce to a set of Partially...

arxiv.org
25
Blockchain Verifiable Proof of Quantum Supremacy as a Trigger for Quantum-Secure Signatures bit.ly/4aUiM73

Blockchain Verifiable Proof of Quantum Supremacy as a Trigger for...

Blockchain is a decentralized, distributed ledger technology that ensures transparency, security, and immutability through cryptographic techniques. However, advancements in quantum computing...

arxiv.org
22
Leveraging Large Language Models to Bridge On-chain and Off-chain Transparency in Stablecoins bit.ly/49LnmU9
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Fast Deterministically Safe Proof-of-Work Consensus bit.ly/3Z8CUeu

Fast Deterministically Safe Proof-of-Work Consensus

Permissionless blockchains achieve consensus while allowing unknown nodes to join and leave the system at any time. They typically come in two flavors: proof of work (PoW) and proof of stake...

arxiv.org
20
Privacy-Preserving AI-Enabled Decentralized Learning and Employment Records System bit.ly/4qCkRcj

Privacy-Preserving AI-Enabled Decentralized Learning and...

Learning and Employment Record (LER) systems are emerging as critical infrastructure for securely compiling and sharing educational and work achievements. Existing blockchain-based platforms...

arxiv.org
20
Distributionally Robust Game for Proof-of-Work Blockchain Mining Under Resource Uncertainties bit.ly/3Yp6GLR
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Exploring Blockchain Interoperability: Frameworks, Use Cases, and Future Challenges bit.ly/49dnAU0
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Selfish Mining in Multi-Attacker Scenarios: An Empirical Evaluation of Nakamoto, Fruitchain, and Strongchain bit.ly/4jAbpnO
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Ouroboros AutoSyn: Time Based Permissionless Synchrony Model for PoS bit.ly/4bdTr8g

Ouroboros AutoSyn: Time Based Permissionless Synchrony Model for PoS

Blockchain as a promising technology is gaining its popularity ever since proof-of-work based Bitcoin came to the world. Nevertheless, Bitcoin achieves consensus at an expensive cost of energy....

arxiv.org
14
Secure, Verifiable, and Scalable Multi-Client Data Sharing via Consensus-Based Privacy-Preserving Data Distribution bit.ly/4sn9xCy

Secure, Verifiable, and Scalable Multi-Client Data Sharing via...

We propose the Consensus-Based Privacy-Preserving Data Distribution (CPPDD) framework, a lightweight and post-setup autonomous protocol for secure multi-client data aggregation. The framework...

arxiv.org
21
Cyberscurity Threats and Defense Mechanisms in IoT network bit.ly/3YoXkj5

Cyberscurity Threats and Defense Mechanisms in IoT network

The rapid proliferation of Internet of Things (IoT) technologies, projected to exceed 30 billion interconnected devices by 2030, has significantly escalated the complexity of cybersecurity...

arxiv.org
20
Pod: An Optimal-Latency, Censorship-Free, and Accountable Generalized Consensus Layer bit.ly/4jpN4Rn

Pod: An Optimal-Latency, Censorship-Free, and Accountable...

This work addresses the inherent issues of high latency in blockchains and low scalability in traditional consensus protocols. We present pod, a novel notion of consensus whose first priority is...

arxiv.org
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