The coding portion was challenging. During the interview, I had to write code for a blockchain dataset. If you are not someone who can code from memory under time constraints, this role may not be the right fit for you. It is better to respect both your time and theirs by allowing them to hire someone more suited for the position.

Recruiter screening followed by 3 interviews with members of their data science team. One is a standard introductory interview, one focused on machine learning and one on coding and blockchains. You don't need to know about blockchains but I think it would help