What is blockchain and its definition,..!?

Blockchain is the technology that enables the existence of cryptocurrencies (among others). Bitcoin is the name of the most recognized cryptocurrency, the one for which blockchain technology was created, as we know it today.

Blockchain technology is an advanced database mechanism that allows information to be shared transparently within a business network. A blockchain database stores data in blocks linked in a chain.

In Blockchain, the process of assembling a block of transactions and permanently adding it to the chain is called sealing or mining. Once a block is sealed, the information it contains becomes part of the chain permanently, immutably, and unalterably. Blockchain is the technology that enables the existence of cryptocurrencies (among others). Bitcoin is the name of the most recognized cryptocurrency, the one for which blockchain technology was created, as we know it today.$