BTC because I believe the technology will eventually become dominant in the future and BTC is easier you can carry it on a very small paper that holds your private key.
Gold is real currency
Bitcoin only digital currency
Gold can be exhibited to the many people
in party or in the official event
i don't think so, bitcoin can aim at both online and real world, but for now it is better to use it online because there are not enough shop out there that accept bitcoin, in real life, it is a matter of adoption, like gold was adopted since its discover
for bitcoin will be the same, also gold exhibition, to the public in real life isn't an easy task, very troublesome to carry from place to place, and they will not accept virtual gold, for obvious reasons