Pros
Briefly they had a few notable and interesting ideas using cryptocurrency. Their work conditions were okay. They had good industry insight and visibility. Some people cared about the business and cared for their fellow people.
Cons
Ideas are only as good as the ability to execute. Some of the senior leadership was clearly blowing funding on things that could have been done cheaper. Leadership had a tendancy to be impulsive. There was no rational longer term path for their technology architecture as it existed in the need of the moment. As they collapsed into closure, in part under funding constraints, they started chasing business opportunities that were full of risks that later exploded into legal matters. I have long left and for the better before the downward spiral was fully evident, the association to some of these schemes might leave a mark on your career in finance where I still earn a good living.