This reminds me a lot of the holepunch.to (previously hypercore-protocol)

What I wonder is this, is there a clever and simple way to share the secret phrase between two devices? The example is pretty long to manually enter "nodeecsxraxjtqtneathgplh6d5nb2rsnxpfulmkec2rvhwv3hh6m4rdgaibamaeqwjaegplgayaycueiom6wmbqcjqaibavg5hiaaaaaaaaaaabaau7wmbq"