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 explanation of what blockchain means and what you might use it for. What is Blockchain ? 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. Use Cases To understand it's use cases take a simple example of journey of milk from farm to consumer . The dairy farm: milking and initial storage, Processing: transportation to a dairy processor for pasteurizing and packaging, Transportation: shipping in refrigerated trucks to retailers l...