but anyway you can't pay a coffee with btc, I'd spend some doge or stellar instead, due to fees
LN is your friend

try the eclair wallet, it is very nice

doge have no developers, last update was 3 or 4 years ago.. you should not use doge.
If you have 10 million dollars in your wallet...
I would not even feel comfortable to declare my BTC address in public LOL
LN is your friend too
however, if you care about privacy, you should not keep 10million dollars in a single address.