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Blockchain : Black Hat talk (Attacking and Defending Blockchains: From Horror Stories to Secure Wallets)

Blockchain : Black Hat talk (Attacking and Defending Blockchains: From Horror Stories to Secure Wallets)



Black Hat talk (Attacking and Defending Blockchains: From Horror Stories to Secure Wallets)





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What is the Blockchain?



A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency’s block chain contains every transaction ever executed in the currency. With this information, one can find out how much value belonged to each address at any point in history.

Author: billy_bonus

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