24/7 global bids for Bitcoin that are easily accessible through a basic smart phone. Low fees to sell and fiat hits your bank account fast.
PMs comparatively are absolute garbage to buy / sell and the spread has imo destroyed those market’s as a SoV. PMs you pay 20%+ premiums on the buy side and 5-10% on the sell. Plus you have to go into a physical shop, wait your turn, get your metals verified, then get gored by the shops take.
#Bitcoin - there is no second best.