With due respect,
We have made complete exchanges web and mobile app. So wallets is a small part of that.
So we worked on wallets of bitcoin, ethereum, storing any token ethereum based, dash, litecoin, eos.
So let us know what wallets you want , of which coins and we may proceed. Kindly go through my portfolio. You can send and receive. All security testing is guaranteed.
My linkedin is : /momaid