Bitcoin can still be digital gold,the reserve currency, no matter how fancy the new technologies are. In any case it will be a slow movement from bitcoin to the new technology thing.Bitcoin has built a lot of trust.I would say that is why it is nearing parity with Gold.
Times are evolving. Until we came to the technological century. The average transaction in this era is done online. In fact has also present a means of payment in the internet universe, ie digital currency or cryptocurrency. that is the reason why people prefer online transactions and likened it to gold.