Translation
true and righteous are His judgments, for He has judged the great prostitute who has corrupted the whole earth with her sexual immorality, and He has avenged the blood of His servants, shed by her hand.”
Paraphrase
true and righteous
are His judgments, for He
has judged the one who accomplished the luring of many people and has corrupted the whole world with her enticements (sexual and otherwise) and He has avenged the lives of His servants, which she took from them.”