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What is blockchain?

By Pikai Mandal on Feb 3, 2020
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Blockchain Definition: Blockchain is a type of digital ledger that records transactions on multiple computers. These transactions are grouped together in blocks, and each block is linked to the previous block, forming a chain. This is where the technology gets its name: “block” + “chain.”

The key feature of a blockchain is that it is decentralized, meaning that it is not controlled by any single entity. Instead, it is maintained by a network of computers, each of which has a copy of the ledger. This makes it very difficult for any one person or organization to manipulate the data in the blockchain.

One of the most well-known uses of blockchain technology is in the digital currency Bitcoin. In the case of Bitcoin, the blockchain is used to record every transaction made with the currency. This allows for the creation of a transparent and public record of all transactions, which helps to prevent fraud and ensure the integrity of the system.

Another important aspect of blockchain technology is that it allows for the creation of “smart contracts.” These are self-executing contracts with the terms of the agreement between buyer and seller being directly written into lines of code. Smart contracts allow for the automation of processes that would otherwise require a human intermediary.

Blockchain is also used in other applications such as supply chain management, digital identity, and voting systems. Supply chain management can benefit from blockchain technology by allowing all parties involved in the supply chain to have access to the same information about the movement of goods. Digital identity can be secured on the blockchain, allowing for more control and privacy over personal information. And blockchain-based voting systems can provide increased transparency and security in the voting process.

Overall, blockchain technology has the potential to revolutionize the way we conduct transactions and exchange information. It allows for greater transparency, security, and decentralization, which can lead to more efficient and trustworthy systems. However, it is important to note that blockchain is still a relatively new technology, and there are still many challenges to be addressed before it can be widely adopted.

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