Legit online gambling operations will often be certified by a reputable, independent third party testing agency, such as the eCommerce and Onlinelive blackjack real moneyGaming Regulation and Assurance (eCOGRA) or Technical Systems Testing (TST).

Companies like eCOGRA and TST perform random and independent checks on the fairness of a casino’s games. They do this by running mathematical probability tests on them, and in some cases can “peek under the hood” to see if casinos have fiddled with their licensed games in some illicit way.

These two agencies maintain central lists of the casinos that they certify, which you can see at the following links:

One last step is to do a simple Google search for blacklisted casinos. Government agencies and the third-party testing agencies generally don’t keep blacklists, you’ll instead find these at various casino review sites.

real money blackjack app androidOf course, anyone given site may be biased or have simply got something wrong, but if you keep seeing a casino appear on multiple blacklists it usually means they should not be trusted. Also, follow up with forum comments from other casino patrons on any questionable casino, and see what the general sentiment toward it is among serious players.