Blockchain phones are coming, that much is certain. The Sirin Labs Finney and the HTC Exodus are both expected by the end of the year, each with its own, sometimes vaguely defined sense of what exactly that term means. HTC’s Phil Chen, who spearheaded Exodus development, has at least started to fill in the blanks of how the Exodus will pull off its most important trick: keeping your cryptocurrency safe. The Exodus has loftier ambitions than mere storage, of course.

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