Regulated sportsbooks hold local licenses, which means they follow strict rules...

https://juliet-wiki.win/index.php/What_Is_Technical_Testing_for_Sportsbooks_and_Why_Should_I_Care%3F

Regulated sportsbooks hold local licenses, which means they follow strict rules around player protection, secure banking, and identity verification. They’re limited to bettors in approved regions and offer clear dispute processes