How Crypto Wallets Work
A wallet stores keys that control your coins — not the coins themselves. Understanding that distinction prevents most beginner mistakes.
- 9 min read
- Updated 2026-06-15
Keys, not coins
Your balance lives on the blockchain. The wallet holds private keys that let you sign transfers. Lose the keys, lose access — exchanges cannot reset a self-custody wallet.
Hot vs cold
Hot wallets stay connected for convenience. Cold wallets (hardware) stay offline for storage. Many players use both: cold for savings, hot for casino bankrolls.
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