BTC is now a subject and need concentration to understand it.Everyone has own perspective about Bitcoin,Some take it as an asset and some as medium of exchange and some as a tender but i think its all about in BTC.Btc give protection not at all like fiat that requires kyc but still individuals do not get frightened of utilizing fiat, at that point why would you think btc isn't secure.Main reason of BTC is to believe blindly is that BTC is decentralized.