You can build a massive trust fund and leave your kids a mountain of fiat and bitcoin:native.

But if you raise them in a concrete box completely disconnected from how the physical world works, you have failed them.
Inherited money cannot replace basic survival competence.
True legacy is passing down the physical ability to produce.
Teach them how to plant.
Show them how to manage livestock.
Let them see you work the dirt.
A soft generation will lose the portfolio anyway.