... and embed the wallet into the phone would be a substantial step up in work, and to not require an external jmdaemon, ie 100% on phone, even more (whole can of worms including Tor).
(jmdaemon was something i added in the rewrite in 2016/17; you can have the communications with peers entirely separated from the wallet, and the two talk to each over over TLS. At least one user actually does this)
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