There are securities fraud practices in the traditional securities companies, like Pumping and Dumping (PnD) and insider trading, among others.
The modern securities market as the legacy financial market has been around for many decades. Securities regulation became a prime concern during the stock market crash of late 1920s.
Over the past year (2017), regulatory compliance became a concern for Blockchain companies. Blockchain companies became aware and conscious of the need to comply with legal considerations.