There has been debate about this; the proposed unit was called a “Bit” and it was suggested as 100 sats.

As sats gain purchasing power I think some wallets will implements Bits and it might catch on.

There is just so much going on with bitcoin monetizing from zero, I think these things have to be worked out as adoption grows. In the beginning it made sense to call 100M sats a Bitcoin bc of large block subsidies and they had no value for a while, then minimal value. Sats at that point made no real sense from a fiat value perspective, they were way too small.

Now Sats are starting to make sense. In the future, a Bitcoin won’t make much sense as an everyday unit bc it’ll be a massive chunk of purchasing power. But a Bit will make sense.

Maybe units of 100, 1,000, 10,000 and 100,000 will emerge as standard units. It will be easy for wallets to display those units if people want them.