On Identity, Transaction, and Smart Contract Privacy on Permissioned and Permissionless Blockchain: A Comprehensive Survey

W Liang, Y Liu, C Yang, S Xie, K Li, W Susilo - ACM Computing Surveys, 2024 - dl.acm.org
Blockchain is a decentralized distributed ledger that combines multiple technologies,
including chain data structures, P2P networks, consensus algorithms, cryptography, and …

Blockchain censorship

A Wahrstätter, J Ernstberger, A Yaish, L Zhou… - Proceedings of the …, 2024 - dl.acm.org
Permissionless blockchains promise resilience against censorship by a single entity. This
suggests that deterministic rules, not third-party actors, decide whether a transaction is …

On how zero-knowledge proof blockchain mixers improve, and worsen user privacy

Z Wang, S Chaliasos, K Qin, L Zhou, L Gao… - Proceedings of the …, 2023 - dl.acm.org
Zero-knowledge proof (ZKP) mixers are one of the most widely-used blockchain privacy
solutions, operating on top of smart contract-enabled blockchains. We find that ZKP mixers …

Altruistic and profit-oriented: Making sense of roles in web3 community from airdrop perspective

S Fan, T Min, X Wu, W Cai - Proceedings of the 2023 CHI Conference …, 2023 - dl.acm.org
Regardless of which community, incentivizing users is a necessity for well-sustainable
operations. In the blockchain-backed Web3 communities, known for their transparency and …

Improving cryptocurrency crime detection: Coinjoin community detection approach

A Wahrstätter, J Gomes, S Khan… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
The potential of Bitcoin for money laundering and terrorist financing represents a significant
challenge in law enforcement. In recent years, the use of privacy-improving CoinJoin …

Cashing out crypto: state of practice in ransom payments

C Patsakis, E Politou, E Alepis… - International Journal of …, 2024 - Springer
The fast pace of blockchain technology and cryptocurrencies' evolution makes people
vulnerable to financial fraud and provides a relatively straightforward monetisation …

A survey on ethereum pseudonymity: Techniques, challenges, and future directions

S Jamwal, J Cano, GM Lee, NH Tran… - Journal of Network and …, 2024 - Elsevier
Blockchain technology has emerged as a transformative force in various sectors, including
finance, healthcare, supply chains, and intellectual property management. Beyond Bitcoin's …

Cybercrime bitcoin revenue estimations: Quantifying the impact of methodology and coverage

G Gomez, K van Liebergen, J Caballero - Proceedings of the 2023 ACM …, 2023 - dl.acm.org
Multiple works have leveraged the public Bitcoin ledger to estimate the revenue
cybercriminals obtain from their victims. Estimations focusing on the same target often do not …

Towards Understanding Asset Flows in Crypto Money Laundering Through the Lenses of Ethereum Heists

J Wu, D Lin, Q Fu, S Yang, T Chen… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the overall momentum of the blockchain industry, financial crimes related to blockchain
crypto-assets are becoming increasingly prevalent. After committing a crime, the main goal …

Efficient and effective attributed hypergraph clustering via k-nearest neighbor augmentation

Y Li, R Yang, J Shi - Proceedings of the ACM on Management of Data, 2023 - dl.acm.org
Hypergraphs are an omnipresent data structure used to represent high-order interactions
among entities. Given a hypergraph H wherein nodes are associated with attributes …