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Yeah you are right. But there are governments like Australia accepted crypto currencies.

yes.
and this will expand !

Much of tye world still views cryptos as a scam or have yet to putbfaith in them.

Bitcoin expecially right now cant be used for any meaningful transaction as the wait time alone is trumped by fiat.

A world currency needs to be better at every turn, and right now, many people just arent accepting to crpytos.

I believe cryptos are a stepping stone to something much better.

true.
and there are even more concepts than blockchain based systems.
but crypto currencies are at least a very important milestone for the evolution of digital money.
the expanding development of these groundbreaking inventions are impressive but natural.

there won't be "ONE" and only "World Currency" !
the understanding of money (/value) will completly change.
like the internet changed the way we access, share and store information.

exactly sir, I like this thinking, i wonder what else will change, AR is already becoming a reality.

true note.
AR, Blockchains and IoT are very hot topics at the moment.
maybe skynet is on the way.

Skynet has been on its way for a while now, only,

It wont be called skynet. . :O