Introduction to Celestia

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To understand Celestia’s value and its role in the ecosystem, it’s helpful to first understand how traditional blockchain systems are structured.
Most blockchains, like Ethereum or Bitcoin, are monolithic which means they perform all major functions (consensus, data availability, and execution) on a single layer. This design ensures security but according to new modular networks, limits scalability and flexibility.
The modular blockchain thesis, which Celestia is leading, proposes separation of layers and respective responsibilities in the network. Instead of having one network and its validators perform all of its functions, it may be better to have specialized layers:
• Consensus Layer: Ensures that all nodes agree on the order of transactions.
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