Leave blockchain aside. Let’s talk about the internet or world wide web, where we consume a lot of stuff, live here, make relations, do transactions, buy products, gets info and news, hence do everything. The Internet has closer the world than ever before.
And I am sure that at least once in a life, you have also gone through Wikipedia, an advanced form of a traditional encyclopedia, where decentralized Wikipedians post information to build the community. Rather than centralized or limited contributors, anyone can add information here that then freely available to anyone. And it also enables you to view the history of edits that have been made any time.
So, when you already familiar with all such mechanism and technology, then what’s hard for you to learn about what is actually blockchain?
Unlike the word blockchain, it consists of several blocks that are linked together with chain using cryptography. This technology works on the democratic principle, which means that no one can add or delete or edit any information without the consensus of others and as soon as the block gets on the blockchain it becomes publicly available. Everyone can see it – even you.
You may say that a blockchain is an advanced form of internet or some sort of Wikipedia with advanced features that brings all together more closely, relevantly and transparently. It is a decentralized platform that distributes the data all over the network without any centralized database. This ingenious technology promotes secure data storage, integration through distributed ledgers ensuring transparency and security against data tampering.
Here are key-features of blockchain technology:
Before blockchain evolution, our entire computerized system was centralized or controlled by a single entity. However, blockchain is a decentralized network, where anyone can add information here – similar in the case of Wikipedia. Here the control is shared by multiple independent identities.
However, blockchain is also a distributed ledger where data is not stored at a single physical place instead of distributed across various P2P networks. Or we can say that its parts exist in different locations, i.e., not a single server, PC or a device.
Transparent and Immutable:
Each block in the blockchain is connected to one preceding and one successive block in a tamperproof chain. Once the data is added in the blockchain it becomes permanent, not alterable or removeable. No one has access to remove data from the blockchain, and if a change occurs, a complete history of previous versions remain available. It also prevents duplication or forgery and data theft.
So, all these features of blockchain can address the transparency, security, and data issues that our financial, administrative, health, education, and other sectors are facing.
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