Steve of the srsroccoreport.com has done some interesting work on deciphering Gold, Silver and Bitcoin-Crypto Currencies. There are many questions one could ask as there are a bunch of Bitcoin-crypto currencies and new ones being developed all the time, where does that end.? Also cyber attacks and power outages.
Physical Gold and Silver in hand are rare and precious, recognized globally for five thousand years and not endless supply.
Please read the rest here; GOLD, SILVER or BITCOIN-CRYPTO CURRENCIES: Where Will The Big Money Be Made?