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Blockchain : Walmart Groceries Suppliers Will Have To Use Blockchain For Traceability

Blockchain : Walmart Groceries Suppliers Will Have To Use Blockchain For Traceability


Walmart Groceries Suppliers Will Have To Use Blockchain For Traceability




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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: kevalz

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Ethereum : Fraud Proofs: Maximising Light Client Security and Scaling Blockchains with Dishonest Majorities — Mustafa Al-Bassam, Alberto Sonnino, Vitalik Buterin [pdf]