# crypto

By [vahid](https://paragraph.com/@kiajooooon.base) · 2022-06-08

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A simple example of the use of Web3 is when sending bitcoin directly to another person without using an online exchange or wallet in a centralised server. The transaction is controlled by a blockchain algorithm and encryption. 

Some examples of Web3 applications are the non-fungible tokens [(NFTs)](https://capital.com/non-fungible-tokens-nft-definition) marketplace OpenSea, which is built on the Ethereum blockchain, blockchain-based social platform Steemit and decentralised social network Diaspora.

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*Originally published on [vahid](https://paragraph.com/@kiajooooon.base/crypto)*