Here's a breakdown of the welcome bonus. Reviewers satisfied with BitBetWin most frequently mention customer service, different platforms, and online casino. 1xBIT is home to the very best casino games and endless betting opportunities. Reviewers satisfied with BitBetWin most frequently mention customer service, different platforms, and online casino. . Here's a breakdown of the welcome bonus. Join 1xBIT today to experience all crypto betting has to offer.