When Sara and Daniel's teacher implements electronic BinCoin 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 mining a block (recording trades that have been validated), a cryptographic nonce (a number used only once), a mempool (the memory pool for storing trades not yet validated) and a double spend attack. 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?
Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.
Pamela Cosman 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 The Secret Code Menace and The Hexagon Clue, Middle Grade fiction books on coding and its unexpected uses. She also wrote Free to Choose STEM, 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.
Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.
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Paperback. Etat : new. Paperback. When Sara and Daniel's teacher implements electronic Bin Coin 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 mining a block (recording trades that have been validated), a cryptographic nonce (a number used only once), a mempool (the memory pool for storing trades not yet validated) and a double spend attack . 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? Shipping may be from multiple locations in the US or from the UK, depending on stock availability. N° de réf. du vendeur 9781948585736
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Paperback. Etat : new. Paperback. When Sara and Daniel's teacher implements electronic Bin Coin 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 mining a block (recording trades that have been validated), a cryptographic nonce (a number used only once), a mempool (the memory pool for storing trades not yet validated) and a double spend attack . 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? Shipping may be from our Sydney, NSW warehouse or from our UK or US warehouse, depending on stock availability. N° de réf. du vendeur 9781948585736
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Taschenbuch. Etat : Neu. Neuware - When Sara and Daniel's teacher implements electronic Bin Coin 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 mining a block (recording trades that have been validated), a cryptographic nonce (a number used only once), a mempool (the memory pool for storing trades not yet validated) and a double spend attack . 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. N° de réf. du vendeur 9781948585736
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Paperback. Etat : new. Paperback. When Sara and Daniel's teacher implements electronic Bin Coin 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 mining a block (recording trades that have been validated), a cryptographic nonce (a number used only once), a mempool (the memory pool for storing trades not yet validated) and a double spend attack . 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? Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. N° de réf. du vendeur 9781948585736
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Etat : New. Über den AutorPamela Cosman 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 The Secret Code Menace and The . N° de réf. du vendeur 667885857
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