Question

can anyone explain me about the "existence of nothing"​

Answer 1

Nothingness" is a philosophical term that denotes the general state of nonexistence, sometimes reified as a domain or dimension into which things pass when they cease to exist or out of which they may come to exist, e.g., God is understood to have created the universe ex nihilo, "out of nothing."

Answer 2

what is the existence of nothing?

existence of nothing is when there is nothing