One day we might all be able to send Bitcoin from literally anywhere in the world, with no electricity and no internet connection. Off-grid cryptocurrency transactions seem to be becoming an achievable possibility as yet another developer has managed to send Bitcoin without a data connection, using low-cost consumer grade hardware. An ingenious developer from New Zealand managed to send the transaction over 12 km away using four goTennas and a $30 Android smartphone. Over the weekend I sent a bitcoin transaction to a relay 12.6km away with no cell network or internet connection. Here's a tweetstorm about how I…

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