The problem Swift Transfer solves

Used in international money transfers as well as within country.
It will facilitate money transfer between loved ones (money transfer to your family which lives overseas), between businesses, and if scaled, we can accommodate overseas merchants too.
Intended Audience - Above 18 years of age with valid ID proof and Bank account - KYC mechanism to allow valid users
Will act as a payment portal. Simplifying KYC.

Challenges we ran into

simplifying KYC, insecure wallet storage, API callbacks, Integrating blockchain into android. Collaborated with @pokt-network to use their APIs for transacting on ethereum through android.