If i’m travelling around the world and should i prefer payments using Cryptocurrency?

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Like Bitcoin are there some other Cryptocurrencies that i can use while travelling?

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You can always use ripple, ether, litecoin.

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SURELY YOU ARE .
The 
whole point of using a blockchain is to let people—in particular, people who don’t trust one another—share valuable data in a secure, tamperproof way. That’s because blockchains store data using sophisticated math and innovative software rules that are extremely difficult for attackers to manipulate.

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