WE MUST A C C E L E R A T E HARDER

And where the did lightning node's private keys came to play?are bitcoin private keys and lightning keys the same?

Can any of obe these private keys be used vice-versa "MEANING" lightning private keys be connected to BITCOIN private keys?

I am asking about bitcoin?

Are they same?

Of course you'd say lightning is the second layer.

Aside from bitcoin,what are the 1st layers?