How does blockchain architecture differ from traditional?

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How does blockchain architecture differ from traditional centralized systems?

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Blockchain architecture operates on a decentralized model, meaning no single authority controls the data or validates transactions https://vteams.com/blog/blockchain-architecture/. Instead, information is distributed across multiple nodes, each maintaining a synchronized copy of the ledger. This contrasts with traditional centralized systems, where data is stored and controlled by one entity, making it more vulnerable to manipulation, outages, or single points of failure. Blockchain’s architecture adds layers of cryptography, consensus mechanisms, and immutability, ensuring that once data is recorded, it cannot be altered without network-wide agreement.

[Greg]

The main difference between blockchain and centralized systems is decentralization and trust encoded into the network. In a traditional system, you trust a bank or a company. In a blockchain, trust is distributed among thousands of independent nodes that verify every transaction. In practice, to interact with this architecture (for example, to read network data), a developer needs access to the bitcoin rpc api. Services like GetBlock make this powerful yet complex architecture accessible to businesses by providing reliable API gateways instead of running their own nodes.