I found a good reason to hold bitcoin - I just traveled abroad from a country with a weak currency. Couldn't exchange it at the airport when I arrived.

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I'm pretty sure that if I had USD, I could've gotten that currency exchanged to the local currency of the country where I am vacationing now. However, I like having bitcoin just because it's more liquid and once you have a bank account set up, you can just cash it out and get it sent to your bank account.