It's story time here in the Paranoid Penguin. Don't worry—the story is a preface to the nuts-and-bolts sort of stuff you've come to expect in LJ. In fact, there are so many nuts and bolts to play with ...

Pete Rathburn is a copy editor and fact-checker with expertise in economics and personal finance and over twenty years of experience in the classroom. d3sign / Getty Images A blockchain is a secure ...

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