If bitcoin gets mass adopted, must we use our mobiles to buy?

[bosshyip]

If in the future, you can pay with bitcoin almost everywhere, how are you going to pay? The safest way to store your coins is to use a hardware or paper wallet (properly created). But in order to pay for a coffee at the coffee shop you can’t use it, unless you carry your laptop or tablet everywhere.

Using your mobile isn’t safe. At least as safe as using hardware or paper wallets. So, how do you think it will be done? Transferring just small amounts to your mobile? Maybe hardware wallets will have a mobile version?

[sugarchrisp]

Using bitcoin as a currency itself likely wont ever occur.  The price is too volatile, and transactions are too slow for retail things like that.  There will likely be a crypto created specifically for retail use, but I think we're kinda far away from that sort of mass adoption, maybe in a few years though we'll start seeing something like that pop up.