Cheat sheet: what is blockchain? This guide by Jen Clark is for anyone who has ever nodded politely at the mention of blockchain, while secretly breaking into a cold sweat and praying for a change of subject. I hear you, my friend. Here to help is a no-nonsense, no-jargon explanation of what blockchain entails and what you might use it for.　

Blockchain in a nutshell

...Before we start, here’s a spiel for you to memorize and regurgitate to the adulation of your friends: “A blockchain is a highly secure way of recording transactions and contractual agreements. It’s a tamper-resistant, digital ledger, visible to all the individuals, companies, service providers or other parties involved in a business transaction.”　

Got it? Good. You now know more than most people. So, let’s take some time to go a little deeper.　

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