How anyone who Say Can proof Bitcoin is not ponzi?
There is More proof and evidence that it is ponzi.
I Don't mind If its ponzi but i Don't want to exit too late but not too early so When is best time to exit?
How can bitcoin be ponzi? LOL!

It has a limited supply of coins, and no one promises to make any profit... Here are all the new DeFi projects that can be classified as ponzi, but not as bitcoin!
Are you saying Defi projects are ponzi, I know bitcoin as a currency is traded on the world stock exchange and has a great value and with a decentralized blockchain and a limited supply.