Bitcoin can't be counterfeited. Can not. Up to you to back up your accusation if you insist on it. And fiat includes the physical kind.
I'm curious how you could misinterpret my message so badly. I was referring to fiat in respect to counterfeiting (actually, all my post was about fiat). How are you really going to counterfeit a Central Bank (or MasterCard for that matter)? Regarding paper banknotes (which still can be counterfeited), I can only advise you to weigh your chances to sell (or buy, just in case), say, a home for cash.
It did seem as though you were indirectly suggesting that fiat is less prone to counterfeiting than cryptocurrencies.
I'm not sure what you're getting at when you talk about counterfeiting a central bank or MasterCard. This seems irrelevant to bring up. If you can counterfeit a bank note then what does it matter if you counterfeit the entity that produced it? I'm really not sure what counterfeiting such an entity would mean, let alone what point you're trying to make. Clarify, please?