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 bitcoin block?

These blocks are containers holding a record of transactions on the blockchain. In the case of Bitcoin, the transactions are primarily transfers of bitcoins. On some blockchains, they can also contain a variety of other information, even code of computer programs.

What is a blockchain block?

Blocks are data structures within the blockchain database, where transaction data in a cryptocurrency blockchain are permanently recorded. 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.

What makes a block secure?

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.