Beginner Track 05
Wallets Don't Store Coins
Bitcoin lives on the blockchain. A wallet is a keychain that holds the key (private key) to access those coins.
What You'll Learn
- → The difference and relationship between private key, public key, and Bitcoin address
- → How digital signatures authenticate transactions
- → Hot wallet vs hardware wallet — when to use which
🏦
Bank Account
Central server manages balance
Account No.123-456-789Address anyone can know
Password●●●●●●Managed by bank (can be hacked)
BalanceStored in bank DBBank can freeze or seize
RecoveryID + bank visitRequires bank's permission
💡 Private Key = Bank Vault Master Key
Anyone with the private key can spend all Bitcoin at that address. There is no bank, so there is no lost-key report or recovery. Keeping your private key is keeping your assets.