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As a senior citizen I have actual experience in developing community programs and marketing. I also founded and sold a startup. 21.co let's me use what I have learned while paying me in cryprocurrency. Now I'm learning about blockchains and cryptocurrency! Pros: I love earning and sharing helpful business information. Cons: I need to figure out how to spend the crypto currency.
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Who created blockchain? I pass this info to our son's who are tech executives in software and hardware manufacturing and sales. Pros: Very patient simple presentation. Great for a beginner. Cons: I want to know many practical business applications.
Blockchain DemoVisual demonstration of blockchain technology