In almost every country you must be 18 to use a regulated crypto exchange, because of KYC and contract law. A few places allow 16 with a parent's consent. Here is the full picture.
In almost every country you must be 18 to open an account on a regulated crypto exchange. The limit comes from two rules: a minor generally cannot sign a binding contract, and Know Your Customer laws force exchanges to verify your age with government ID. A few places, such as Germany, allow 16 with a parent's consent.
So the honest answer for most readers is 18, and there is no easy or safe way around it.
The age floor is not the exchange being cautious for its own sake. Three things force it:
The standard is 18, but a handful of markets differ:
Rules change and vary by platform, so always check the exchange's own terms for your country before you sign up. The age shown at signup is the one that counts.
If you are not yet 18, there are honest routes that do not involve faking your age:
If you are new to all of this, our beginner walkthrough explains how buying crypto works step by step.
Technically some platforms ask for little or no ID, but using one to dodge an age rule is a bad idea. Funds can be frozen, there is little recourse if something goes wrong, and you expose yourself to scams. We cover the trade-offs in can you buy crypto without ID. Waiting, or using a parent's custodial account, is safer and cheaper.
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Compare exchanges18 in almost every country, because exchanges must verify your age under KYC rules. Germany allows 16 with a guardian's consent, and South Korea uses 19.