How can you send gold through your phone? Gold is not digital, it's an element. Sendgold website clearly say it is "digital gold money", what a lot of BS. Sendgold owner/inventor is the one making the real money.
You don't own gold until you own the real physical bar/coin/jewellery. Physical gold can't go bankrupt, but gold explorers/gold digital can.
The same with property you can't claim to be a home owner, if you are just holding property shares/index.