* use WriteBytes instead of WriteString
* ensure input from other voter is not 0
* proof of contact with master during shake
* yew, iced
* mutexs for all fields of voter
* shake with master
* use atomic instead of locks
* support getting inputs from peer other than owner
* make input right away to avoid lock BS
* warn about 2 voters
* symbol->string
* ~a for string conv
* handle user breaks
* don't let the same user register multiple times
* zk
* convert peer input to symbol right away
* C-c on opening UI should quit application
* cache private keys in case connection is lost
* don't allow candidate more than once
* handle failing to dial bootstrap nodes