Blockchain : Leveling the Economic Playing Field with global WiFi
[https://medium.com/opp-open-wifi/leveling-the-economic-playing-field-with-global-wifi-1abbd060f9d5](https://medium.com/opp-open-wifi/leveling-the-economic-playing-field-with-global-wifi-1abbd060f9d5)
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: Dieuanh123
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