I like more B, but it depends on what you want. If you want the video to pop, I'll choose B. If you want the text or the other elements to pop, I'll choose A
B for me too. On a transparent background the cleaner coin reads better at small sizes, which is where crypto logos actually live, wallets and tickers. A looks nice static but B has more life in motion. Nice series.
The blur on the buttons is the only difference between these two clips. timing, easing and colors match.
Most people won't notice. if you do, drop a 1 or a 2.