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Crypto Guide

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Wallets: hot, cold, custodial

Know where keys are stored and why that matters.

Step 1

Core concept

A wallet stores keys, not coins: it's your access to funds.

  • Hot wallet = online, convenient for daily use.
  • Cold wallet = offline, safer for long-term storage.
Hot and cold wallet comparison visual
Hot for convenience, cold for long-term safety.

Key takeaway

Understand the mechanism before taking action.

Step 2

Practical view

Custodial = a third party holds the keys (e.g., a CEX).

  • Simple rule: small amount in hot, large amount in cold.

Key takeaway

Practice matters, but verification comes first.

Mission

Mission: choose a wallet

Install a non-custodial wallet (e.g., Phantom) and write your seed phrase offline.

See wallets

Quiz

Question 1/4

Easy

What's the real difference between hot and cold wallets?

Module progress

Validate all quizzes to continue.