Some say, is it a nostr…

Some say, is it a nostr account or wallet address. It's long and a combination of letters and numbers.
Now it's become a reality, this is an account and also a wallet, ha ha . . .

⚡npub1yk2hjrm988tj2ualma7haat7z0unujtd2ktfv35amxdnf5pg77gq6s36tf@npub.cash