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RE: Will Disney's side chain, called "Dragonchain", one day replace the blockchain?

Well, that is partially true. You are talking about gift cards, right? The difference between those and crypto-currency is that gift cards can only be used in their stored. Cryptos on the other hand are easier to use and exchange to a broader amount of people.

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Yes, that's that gift card and before Christmas, some of the coffee stalls sold out. LOL, that's lost opportunity.

Yeah, it has always surprised me why people use gift card when they can just keep their money and have the option to spend it anywhere. Wow, Christmas is a crazy time of year:p