DefineDeFiWeb3 Glossary

RPC (Remote Procedure Call)

How your wallet talks to the blockchain. It's the connection that lets you check balances, send transactions, and use apps.

Example

MetaMask using Infura's RPC to read your ETH balance and broadcast your swap to the Ethereum network.

Related Terms

Tools & Protocols

⚙️How It Works

  1. 1

    Request

    Your wallet sends a request (balance check, tx submission)

  2. 2

    RPC Provider

    Request goes to an RPC provider (Infura, Alchemy, etc.)

  3. 3

    Node

    Provider's nodes read from or write to the blockchain

  4. 4

    Response

    Result returned to your wallet

🚀Getting Started

  • 1Default RPCs work fine for most users
  • 2Switch RPCs if you're experiencing failures or slowness
  • 3Free public RPCs have rate limits - paid are more reliable
  • 4Run your own node for maximum privacy and reliability
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