{"product_id":"the-crypto-campaign-paperback","title":"The Crypto Campaign - Paperback","description":"\u003cdiv\u003e\u003cp style=\"text-align: right;\"\u003e\u003ca href=\"https:\/\/reportcopyrightinfringement.com\/\" target=\"_blank\" rel=\"nofollow\"\u003e\u003cb\u003eReport copyright infringement\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003cp\u003eby \u003cb\u003ePamela Cosman\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003eWhen Sara and Daniel's teacher implements electronic \u003ci\u003e\u003cb\u003eBin\u003c\/b\u003e\u003c\/i\u003e \u003ci\u003e\u003cb\u003eCoin\u003c\/b\u003e\u003c\/i\u003e rewards for collecting trash and recycling, the kids start using this digital currency to buy and sell. Their developing system for keeping track of accounts brings in concepts from the world of cryptocurrency such as \u003ci\u003emining a block\u003c\/i\u003e (recording trades that have been validated), a \u003ci\u003ecryptographic nonce\u003c\/i\u003e (a number used only once), a \u003ci\u003emempool\u003c\/i\u003e (the memory pool for storing trades not yet validated) and a \u003ci\u003edouble spend attack\u003c\/i\u003e . But then Sara and Daniel face a series of mysteries and crises: Why is this small kid paying BinCoin to the class bully in such oddly specific amounts? Can knowledge of the school's digital currency help restore a man's life savings using a real cryptocurrency? And during a visit from the State Board of Education, who pulled the fire alarm before the block could be mined?\u003c\/p\u003e\u003ch3\u003eAuthor Biography\u003c\/h3\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e \u003cb\u003ePamela Cosman\u003c\/b\u003e was raised in Los Angeles with three older brothers, with whom she discovered a love for all things engineering and science. She is the author of \u003ci\u003eT\u003c\/i\u003e \u003ci\u003ehe Secret Code Menace\u003c\/i\u003e and \u003ci\u003eThe Hexagon Clue, \u003c\/i\u003e Middle Grade fiction books on coding and its unexpected uses. She also wrote \u003ci\u003eFree to Choose STEM\u003c\/i\u003e, an advice book for teens. When she's not thinking about her next book, or playing Codenames with her husband and four sons, she teaches electrical engineering at the University of California, San Diego. Recently she's been using eye-tracking glasses to figure out what people are looking at, and also finding better ways to transmit video underwater. \u003cbr\u003e\u003c\/p\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 128\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.3 x 7.5 x 5.5 IN\u003c\/div\u003e\n            \u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e September 15, 2026\u003c\/div\u003e\n            ","brand":"BooksCloud","offers":[{"title":"Default Title","offer_id":52214481879335,"sku":"9781948585736","price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1002\/2079\/7223\/files\/9kTQAu48i59781948585736.webp?v=1790974363","url":"https:\/\/theluminousbookshop.com\/products\/the-crypto-campaign-paperback","provider":"The Luminous Book Shop","version":"1.0","type":"link"}