Wallets, Keys, and Transactions
Understand how cryptographic key pairs, addresses, and signed transactions let users own assets and interact with the Ethereum blockchain.
What Is a Crypto Wallet?
A wallet doesn't hold coins - it stores your private key and uses it to sign transactions. Your funds live on the blockchain, controlled by that key.
Public and Private Keys
A wallet is built on an asymmetric key pair. The private key is secret and signs transactions; the public key is derived from it and safe to share.
All lessons in this course
- What is Blockchain Technology?
- Ethereum Basics and EVM
- Your First Solidity Contract
- Wallets, Keys, and Transactions