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If you are traveling and lose your credit card, but in a country that has a reasonably active Bitcoin scene, you can sell some BTC to pay bills while "over there".
This may become an issue for us.
Here is a case for having an online wallet, "travels anywhere".
bitcoin can be profitable. If you want to find profit, bitcoin is quite reasonable investment. Blockchain technology will thrive in the future. You should embrace it now
Hopefully this can be fulfilled in most countries. Tough luck if you happen to be in one like china that doesn't recognize it's use as a transactional means. But who knows. Perhaps in the future we only would need our crypto wallet wherever we go