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Table 5 Blockchain money laundering strategies comparison

From: Blockchain abnormal behavior awareness methods: a survey

Type

Strategy characteristic

 

Application

Application characteristic

Mixing strategy

Bitcoin fog

Need to cooperate with related functions to achieve complete untraceability

DarkLaunder (BitLaunder, CoinMixer)

The money laundering speed is fast but the transaction can still be linked

Helix

It can only be accessed by Tor. Multiple addresses are in the same transaction so the anonymity is weak

Cross-border transfer

Use crypto-currency as an intermediary to complete asset transfer