Do you have a source for your claim that the majority of Bitcoin uses are criminal? Research by blockchain analysis companies show that only a small percentage of Bitcoin usage is illicit [1][2][3].

[1] https://www.elliptic.co/resources/typologies-concise-guide-c...

[2] https://ciphertrace.com/2020-year-end-cryptocurrency-crime-a...

[3] https://blog.chainalysis.com/reports/2021-crypto-crime-repor...