Looking at the account of Mr. K, a survivor of the kidnapping in the Philippines, what left a deep impression was that at the beginning, K said that as the bodyguard and driver of the mole, he first sent his child to school before kidnapping him, "luckily he didn't tie his son". Do we have to admit that cryptocurrency does make the funding process of kidnapping, extortion, fraud, and money laundering easier, almost becoming the default option for kidnapping and extortion. Is it correct to adhere to the most fundamental principle of decentralization?