The National Crime Agency of the United Kingdom (NCA), seeks to regulate crypto coin mixtures in accordance with the laws against money laundering.

As they allow transactions to remain private and anonymous, coins mixing tools have become very common in the decentralized economy. They often combine several transactions to conceal the origin of any transaction. After the transaction is mixed, the recipient gets the transactions via a “black box”, which contains hundreds of transactions from different wallets. These tools are privacy-oriented, but regulators often find them offensive because they allow criminals and hackers to access their money.