Demand for Moneros (and thus the market value) increased as some Darknet markets decided to accept Moneros as a means of payment.
blackbytes are too unwieldy to use. i like the idea but the manual pairing thing and backup needed every time isn't practical. it needs to be smoother to use.
If you use a multidevice wallet, your wallet data are replicated on 2 or more devices. So you always have a backup up-to-date as long as you didn't lose all your devices.