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What is Blockchain Technology II

Regia Marinho
4 min readSep 7, 2021

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A guide for you to understand a little more about blockchain technology.

A Blockchain is a chain of blocks that contain information.

Blockchain is the technology behind Bitcoin, Ethereum, Litecoin, and all other cryptocurrencies. Also behind NFTs marketplaces.

Cryptocurrency

Cryptocurrency or crypto is binary data designed to work as a medium of exchange.

What is the medium of exchange?

In economics, a medium of exchange is any item that is widely accepted in exchange for goods and services.

In modern economies, the most commonly used medium of exchange is currency… Dollar, Euro, Brazilian Real, and more.

Currency

A currency in the most specific sense is money in any form when in use or circulation as a medium of exchange, especially physical banknotes and coins.

This is a Brazilian 5000 cruzado banknote overstamped with a value of 5 cruzados novos. The “Cruzado Novo” replaced the cruzado as Brazil’s currency at a rate of 1:1000 in January 1989.

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Regia Marinho
Regia Marinho

Written by Regia Marinho

I publish tech, art, food, AI, AR, architecture, interior design, fashion, and photography articles. Ideas to inspire the world through art. @regiaart

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