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Guys, 100k TPS would equate to 8.64 billion transactions per day. There are only 7 billion people on earth. That is theoretical upper upper upper limit... probably never be reached.
Because no one ever makes more than one financial transaction per day.
Quite a few transactions are internal. We do have places like Casinos producing alot of transactions but do they post every one to the blockchain separately ?
I think much less then 1 per person is reasonable as small commerce should not be broadcast with the same security as larger more important transactions that do need a full record