I believe it is powered by Strike, so it may be for KYC purposes
nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg wondering reason for asking for place of residence? Is this for determining the fiat currency to use as a reference? I'd hate to lose the account if place of residench ever becomes unfriendly to bitcoin.
Discussion
there is a 1 million sat limit on the account though