The article compares UK and US online slot rules, including testing, payout...
https://riversinspiringcolumn.urbanvellum.com/posts/do-uk-rules-make-slots-fairer-or-just-more-transparent
The article compares UK and US online slot rules, including testing, payout information and state-by-state access. A 96.5% RTP is an example, not a promise of individual returns; legal options for online casino play vary widely across the US.