Some details
The challenge was to create an iOS and Android native cryptocurrency wallet in Etherium blockchain for managing token.
Creation of wallet app includes generation of 12-word mnemonic and derivation private key and address from it. A four-digit code is used for quick access to the account. The app includes the following:
Balance and transaction history,
Exchange rates of ETH relative to BTC and
Euro,Creation of a QR code for receiving incoming transactions,
Sending tokens to another address.