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What Are the Main Components of a Dapp Architecture?

The core components include the smart contract layer on the blockchain, which holds the application logic and state. Above this is the data layer, which might involve decentralized storage solutions.

Finally, there is the client-side interface, which is the user-facing web or mobile application that interacts with the smart contract via a Web3 provider.

If a User Has an Allowance of 100 Tokens and a Balance of 50, What Is the Maximum the Contract Can Pull?
What Is ‘Counterparty Risk’ in a Traditional Derivatives Contract?
How Does a Merkle Proof Allow a Light Client to Verify a Transaction?
What Is a ‘Light Client’ and How Does It Utilize the Merkle Root?