Introduction

• A crypto wallet used to store, send, receive, and manage digital assets like cryptocurrencies and NFTs.
• Also acts as a bridge between browser/app and blockchain networks.

In simple terms

• A wallet (like a bank account for crypto)
• A login tool for blockchain apps (no username/password needed)
• A transaction signer (you approve actions like sending crypto or interacting with smart contracts)

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Crypto is stored on the blockchain, and publicly recorded in a distributed ledger.

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What MetaMask does

• Stores private keys (proof of ownership, the ownership of crypto)
• Manages multiple accounts
• Sends/receives tokens like ETH, ERC-20 tokens, …
• Connects to dApps
• Approve transactions securely

How it works

1. Install MetaMask