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Advantages of Blockchain

Improve Accuracy

Transactions on a blockchain network are approved by a network of thousands or millions of computers. This eliminates nearly all human involvement in the verification process, reducing human error and providing a more accurate record of information.
Even if a computer on the network makes a miscalculation, it will only produce an error on one copy of the blockchain. Propagating that bug to the rest of the blockchain would require at least 51% of the network’s computers, which is nearly impossible.

Reduce Costs

Usually the consumer pays the bank to verify the transaction and the notary signs the document.
Blockchain eliminates the need for third-party verification and the associated costs. Bitcoin, on the other hand, has no central authority and almost no transaction fees.

Decentralization

Blockchain does not store any of its information in a central location. Instead, the blockchain is replicated and distributed over a network of computers.
Every time a new block is added to the blockchain, every computer on the network updates its blockchain to reflect the change. By propagating information across the network, rather than storing it in a central database, blockchains become more difficult to tamper with.
If a copy of the blockchain falls into the hands of a hacker, only one copy of the information will be copied, not the entire network.

Valid Transaction

Transactions made through a central authority may take several days to settle. The blockchain operates 24 hours a day, seven days a week. Transactions can be completed in about ten minutes and can be considered safe after a few hours.
This is especially useful for cross-border transactions, as it usually takes longer to process due to time zone issues and the fact that all parties must confirm the payment.

Digital currency transactions reduce many unnecessary formalities for cross-border payments.

Private Transaction

Many blockchain networks operate as public databases, which means anyone with an internet connection can view a list of the network’s transaction history.
While users can access detailed information about transactions, they do not have access to identifying information about users who conduct those transactions. Blockchain networks like Bitcoin are anonymous.

That is, when users conduct public transactions, their unique code, called the public key, is recorded on the blockchain, not their personal information. While a person’s identity is still tied to their blockchain address, this prevents hackers from gaining access to a user’s personal information, like when a bank is hacked.

Secure Transaction

After a transaction is recorded, its authenticity must be verified by the blockchain network. Thousands or even millions of computers on the blockchain rush to confirm that the details of the purchase are correct.
After the computer verifies the transaction, it is added to the blockchain in the form of a block. Each block on the blockchain contains its own unique hash, as well as the unique hashes of previous blocks. When the information on a block is edited in any way, the hash code for that block changes, however, the hash code after the block does not. This difference makes it very difficult to change information on the blockchain.

Transparency

Even though personal information on the blockchain is kept private, the technology itself is almost always open source. This means that users on the blockchain network can modify the code as they see fit, as long as they have most of the network computing power that supports them.
Keeping data on open source blockchain also makes it more difficult to tamper with. With millions of computers on the blockchain network at any one time, it is impossible for anyone to make changes without being noticed.

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