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What is a blockchain and how does it work?

A blockchain is a decentralized record that gets its name from how it stores its data. Once a set of transaction data reaches a certain size, it forms a "block.” This is where every transaction on a blockchain is validated and then permanently stored.

What is a proof-of-work blockchain?

For proof-of-work blockchains, this technology consists of three important concepts: blocks, nodes and miners. What Is a Block? Every chain consists of multiple blocks and each block has three basic elements: The data in the block. The nonce — “number used only once.”

How does blockchain technology provide transparency?

Blockchain technology provides transparency because all transactions are documented on the network of computers. The transaction history and digital wallet addresses are attached to each event. The public can view each user’s digital wallet, but the individual owners are entirely anonymous.

What are the advantages and disadvantages of blockchain?

Security is seen as one of the major advantages of blockchain. Blocks are always stored chronologically, and it is extremely difficult to change a block once it has been added to the end of the blockchain. Each block has its own hash code and the hash code of the block that comes before it.

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