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What is a block in a blockchain?

Blocks are secured with cryptographic methods. The body of a block contains transaction records. Storing these records safely is one of the priorities of the blockchain. But to be able to function in a blockchain, a block also needs a few other elements. But before we find out what they are, let’s first see how data is stored in blocks.

Which cryptocurrencies use blocks and blockchains?

Because most blockchain definitions refer to Bitcoin because it was the first cryptocurrency to use one, many people associate blocks and blockchains with Bitcoin. However, other cryptocurrencies use blocks and blockchains as well. It's important to note that Ethereum's network has a cryptocurrency called ether that also uses blocks and blockchain.

What is a block and how does it work?

A block records some or all of the most recent transactions not yet validated by the network. Once the data are validated, the block is closed. Then, a new block is created for new transactions to be entered into and validated. A block is thus a permanent store of records that, once written, cannot be altered or removed.

How a block is created in a bitcoin?

In this article we will learn how a block is created in a Bitcoin and what are the components of A Block. A Blockchain is a decentralized database, or simply a decentralized linked list, where list of records (called blocks) are linked via cryptography.

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