The SADF test finds the largest ADF statistic from all the windows considered. If this value exceeds a critical value, the null hypothesis can be rejected, and it is deemed the series displays explosive behaviour in at least one of the windows (taken as indication of a bubble occurring).
Besides these broader differences, there are also some practical differences when comparing Binance vs Binance.US.

Despite those benefits, Binance.US is much less transparent than many competitor exchanges when it comes to security, storage options, and customer assistance. For most long-term, retirement-minded investors, we’d recommend sticking with exchanges such as Coinbase or Gemini, which are much more transparent about these key operations.
OK perhaps that’s a little far-fetched. But what is behind crypto’s crazy climb over the past 18 months, we hear you ask? We don’t mean to suggest that the pandemic hasn’t been involved, because we think it has, but not in the way that this chart criminal implies — not, in other words, because it’s some kind of safe haven that traders flock to when they are worried about Covid cases rising; the data don’t bear that idea out.