RPC is a communication method that lets wallets and applications read from and send requests to blockchain nodes.
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Short definition
RPC is rPC is a communication method that lets wallets and applications read from and send requests to blockchain nodes.
Simple explanation
When a wallet checks balances or sends a transaction, it often communicates with a blockchain through an RPC endpoint.
Why it matters
RPC reliability and trust affect wallet data, transaction submission, privacy, and user experience.
Example context
A wallet may use an Ethereum RPC endpoint to read balances and broadcast transactions.