FinCEN tips may lead to awards of 10% to 30% if they result in at least $1...

https://ariassplendidinsight.swiftnestly.com/posts/can-an-outsider-file-a-fincen-whistleblower-tip-or-do-you-have-to-be-an-insider

FinCEN tips may lead to awards of 10% to 30% if they result in at least $1 million in sanctions. But rules apply, evidence matters, and an award is not assured. The process can take 2 to 5 years