The latest report from the EU Homeland Security Innovation Center, as mentioned by Decrypt, highlighted the potential misuse of Bitcoin Lightning Network and other second-layer solutions for criminal purposes. According to the report, technologies like token mixers, Monero, Zcash, Grin, Dash, and the cryptographic protocol Mimblewimble are also identified as tools that criminals could exploit to conceal data and transactions. Specifically, Mimblewimble, utilized by cryptocurrencies such as Grin, Beam, and Litecoin, poses challenges in tracking cryptocurrency transactions, contributing to the complexity faced by law enforcement agencies. The report underscores the necessity for regulatory actions to mitigate the risks linked with privacy-focused cryptocurrency technologies. It suggests that regulatory measures might act as a deterrent to criminal activities, despite concerns raised regarding the potential misuse of these technologies. The European Union expresses apprehension about the obstacles these technologies pose to law enforcement in monitoring transaction data.