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Roronoa Zorro
@roronoazorro
Let's learn how nodes work today. If you and your friends manage a ledger together: Let's say you and your friends decide together to keep a record of everyone's debts and loans. Everyone is in a different place, but everyone has a copy of the ledger. When someone borrows money, everyone else has to record the transaction in their own ledger. If someone tries to make a false account on their own ledger (e.g. by modifying the amount borrowed), the other friends will check for inconsistencies and reject the wrong record. The key points are: Blockchain nodes are like these friends who hold a copy of the ledger, they work together to maintain the authenticity of the ledger, and no single authority can control the data. When a new transaction occurs (e.g. someone transfers, borrows, etc.), all nodes check the authenticity of the transaction. If the transaction is validated, the node records the transaction in its own ledger. The comment section continues.
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Roronoa Zorro
@roronoazorro
So, what is the role of a node? 1. Store data: Each node keeps a copy of the blockchain and records all transactions and blocks. 2. Verify transactions: When a new transaction or block is submitted, nodes need to verify that the data is legitimate (e.g. to ensure that the transferor has sufficient balance). 3. Decentralization: The decentralization of the blockchain is achieved through these globally distributed nodes, and no single entity can control the entire network. 4. Verify security: Nodes verify transactions through consensus mechanisms (such as Proof-of-Work (PoW), Proof-of-Stake (PoS), etc., to ensure the security and credibility of the network. Support network operation: Without nodes, the blockchain network cannot work. Nodes are important, and the decentralization of the blockchain is achieved through nodes, each node participates in the storage and verification of data, and no single authority or entity can control the entire network
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