What is it about?
The paper proposes a novel "demixing" method for Bitcoins that were obscured by a laundry/mixer service using only blockchain data. The method is capable of linking the mixed Bitcoins back to the original Bitcoins, which were unlinkable by previous proposed tracking methods.
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Why is it important?
Mixer service is the most crucial challenge in cryptocurrency tracking as it often can unlink the coin's transaction history to make it untraceable via conventional tracking methods. The paper's experiment proves that the obscured coins can still be tracked using only blockchain data which can serve as an essential breakthrough for the next step of cryptocurrency crime combating.
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This page is a summary of: Tracking Mixed Bitcoins, January 2020, Springer Science + Business Media,
DOI: 10.1007/978-3-030-66172-4_29.
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