im_uname 20190729
Note: Other high-prioritiy projects like Reusable Addresses and Cashfushion exist. But the following parts can be done piecemeal, and many of the parts will also help Reusable Addresses.
Will recommend the following actions in order:
Note: This roadmap does not account for multisignature wallets (yet).
Derivative path autodetection; migrate to BIP39 default