Mike Hearn, one of the main
developers of the
Bitcoin architecture alongside the mysterious Nakamoto, has said that any implementation of the concept is at least a decade away because of the need for hardware upgrades on
physical goods.
For the technically minded,
Bitcoin developer Jimmy Song outlines a safer method that requires less trust (or none at all), which involves setting up a two
physical / virtual machines (one connected to the internet and the other not), running the core software and import the private key and broadcast the transaction on the first machine not connected to the internet.