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- W4313306902 abstract "Bitcoin is the most common cryptocurrency involved in cyber scams. Cybercriminals often utilize pseudonymity and privacy protection mechanism associated with Bitcoin transactions to make their scams virtually untraceable. The Ponzi scheme has attracted particularly significant attention among the Bitcoin fraudulent activities. This paper considers a multi-class classification problem to determine whether a transaction is involved in Ponzi schemes or other cyber scams, or is a non-scam transaction. We design a specifically designed crawler to collect data and propose a novel Attention-based Long Short-Term Memory (A-LSTM) method for the classification problem. The experimental results show that the proposed model has better efficiency and accuracy than existing approaches, including Random Forest, Extra Trees, Gradient Boosting, and classical LSTM. With correctly identified scam features, our proposed A-LSTM achieves an F1-score over 82% for the original data and outperforms the existing approaches." @default.
- W4313306902 created "2023-01-06" @default.
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- W4313306902 date "2022-12-10" @default.
- W4313306902 modified "2023-09-26" @default.
- W4313306902 title "An Attention-based Long Short-Term Memory Framework for Detection of Bitcoin Scams" @default.
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- W4313306902 doi "https://doi.org/10.1109/hdis56859.2022.9991661" @default.
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