If i will be given a chance to do a project with cryptocurrency then i will be making an all in one digital wallet for all crypto that includes bitcoin and all altcoins using same wallet address. I have seen too many digital wallet from known digital wallet for ERC20 tokens and for bitcoin digital wallet but i never saw a digital wallet that will cater all the digital currency either bitcoin or altcoins. If i have only the capacity to do it like having a good team developer and a financer then i guess i could make a revolutionary digital wallet.