Wallet path is empty by default. ( this could be a to-do in future)

[piux2]

The HD path is null by default when Gnokey generates keys.
It is not an issue for signing at all.

However, it will cause confusion to end-users who try to recover keys from or to other wallets that use HD Path

m / purpose' / coin_type' / account' / change / index

for example, cosmostation incident last year.

https://www.reddit.com/r/cosmostation/comments/od5u09/multiple_incidents_of_lost_funds_in_cosmostation/