But, we will all be forgotten in time, no matter what we do. The inventor of the wheel is unknown. As is the first person to make a boiled egg as a meal. All of us will be lost in time and forgotten. But, all of us will also have left a mark on the world past us, even though no one will mark it on our account.
I'm not 100% sure about this. Perhaps the universal “blockchain” was created a long time ago and we will find out later how everything was in detail.