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Jo Joo-bin spreads a video of sexual exploitation made by intimidating a minor. I've received criminal proceeds in cryptocurrency, and it was confirmed that I used an account in another person's name, especially a car name account made in the name of the victims.

This is the exclusive report by Jeong Ban-seok.

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Bitcoin, Ethereum, and Monero.

These are the virtual currencies that Jo Joo-bin received as the admission fee for the so-called 'Dr.

Cho confirmed that the account for the admission fee, or 'wallet', was made under the name of a minor victim.

It was not enough to intimidate victims to shoot sexual exploits, and it created a criminal profit window using the personal information of a minor victim.

Mr. Cho made a wallet in the name of Dr. Amo, the doctor's office.

Mr. Lee is an accomplice who has delivered the crime proceeds to Mr. Cho.

In addition to this kind of car name account, Mr. Cho also posted a fake wallet address found on the Internet to Telegram.

It is solved with the intention of hiding one's identity and confused the investigation.

The situation in which Mr. Cho washed the deposited cryptocurrency several times was also identified.

SBS tracked the flow of money from blockchain security companies and PhD wallets, revealing that a high level of money laundering has been done.

[Brian Yang / Blockchain security company representative: It shows even distributed processing of several thousand per wallet. It's a money laundering method called 'mix and tumbling'. The distributed funds are now mixed with the funds deposited by others.]

Prosecutors are considering how to confiscate or collect all of the criminal profits that Mr. Cho collected from the cryptocurrency.

(Video coverage: Jung Sang Bo, Video editing: Junhee Kim)