Cheers for the responses!
Yeah I think value was what really got me .... I understand supply and demand and as more people accept crypto it will in turn build desired value .... but I think their question was more related to it's physical / intrinsic value. For example: Fiat's value is based on commodities like gold and silver and coins were minted to represent this value ...
fiat value is not based anymore on commodities, this is an old wrong belief, fait value is determinated by your government and central bank who print them, in crypto it's only based by supply and demand, which is why it's more unstable, but also less controlled and more free