Make a mock of crypto wallet as PWA on reactjs.

No direct working with blockchain, all business logic is separated. typescript interface is available, see documents for more details.

https://docs.google.com/document/d/1YUx7qclCUMT23i8_kQr7MKWSgQiJkVMMtHc4Zz21U0k/edit

(пишите на русском)
Questions (won't consider an offer without answers):
1) what toolchain do you use?
2) link for your github portfolio with react demos?
3) what would you include in the project description to make it more clear?
4) what would you improve on xdai.io (please open on smartphone)?
5) how long would it take to complete this task?