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Blockchain was popularised in the context of cryptocurrency and Bitcoin and the security it provides. However, it offers security that can be useful in several other ways as well. Blockchain can be defined as data that you can only add to, not take away or alter. It results in many sections of data which form a ‘chain’, hence the name Blockchain.
The fact that existing data cannot be altered or removed makes Blockchain a highly secure technology. Blockchains are consensus-driven, which means no single person or organisation can take control of the data. There is no need for a third party to oversee transactions.
As more industries adopt and implement blockchains, the demand for skilled blockchain developers has also increased. It requires the hands-on experience of programming languages, basic knowledge of OOPS, flat and relational databases, data structures, networking and web application development.
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