Senior Swift Developer needed for long time position

We are building an Ethereum Blockchain platform and in need for a senior iOS engineer. We have been very busy gearing up for new product launches, deploying a new back-end to our wallet, among so many other things that I can't wait to till you in on. This is a multi-year project and expect to grow with us. For this role, the first step is to connect with you on the technical side. For that, we created a coding exercise we thought you would enjoy, and if you do well which I know you will, I can set up a call with you right away and breeze through this process. Please check the attached document in detail. Our tech lead will be checking the GitHub repo as per the instructions and circling back with me. We’d like to see it done within 48 hours of starting the exercise, but sometimes things get in the way so just let me know if that is the case. Are you all set? Please show off your skills and join our venture.