In Net Terms, Bitcoin is a Geopolitical Liability, Not an Asset
This is because Bitcoin is vulnerable to attacks targeting its consensus and network availability. A sufficiently resourceful adversary can yield the Bitcoin network inoperable and/or untrustable
A nation state adversary can take the Bitcoin network down, at least a significant portion of it. And it doesn't require them having access to quantum computers or compromising the underlying cryptographic primitives in other manner.
This is why sovereign strategic Bitcoin reserves, including BTC as a Central Bank reserve asset is not a good idea, at least in the current state and design of the Bitcoin protocol.