Guide
How to Buy Crypto: A Step-by-Step Guide for Beginners

Bottom line: open an account, deposit, then buy
Buying crypto comes down to four steps. It may look intimidating, but it's a lot like opening a bank or online brokerage account.
Key points
- Choose a registered exchange first
- Account opening requires identity verification (KYC)
- Deposit fiat, then buy with a market or limit order
- Start small — and consider dollar-cost averaging

Step 1: Choose a registered exchange
In Japan, only registered exchanges may legally offer services to residents. Unregistered offshore platforms can be shut off as regulation tightens, so they aren't recommended for beginners. See how Japan's exchanges work.
Step 2: Open an account and pass KYC
Register an email and password, then complete identity verification (KYC) by submitting ID documents. While you're there, always turn on two-factor authentication (2FA).
Step 3: Deposit fiat
Fund your exchange account by bank transfer. Start with an amount that won't affect your life if you lose it.
Step 4: Place an order
There are two common ways to buy:
| Method | What it is | Good for |
|---|---|---|
| "Buy/sell" desk | You trade against the exchange — simple, but the spread (effective fee) is wider | Getting started with minimum fuss |
| Order book | You trade against other users with market/limit orders and lower fees | Once you're comfortable and want lower cost |
After you buy
The risk of leaving funds on an exchange
Coins left on an exchange are exposed to hacks and exchange failure. As your holdings grow, consider moving them to your own wallet and guarding your keys and seed phrase.
Prices swing a lot. Rather than buying all at once, spreading your timing with dollar-cost averaging is a calmer approach for beginners.
FAQ
Q. How little can I buy? A. It varies by exchange, but many let you start with a very small amount. Get comfortable with the mechanics first.
Q. Do I owe tax when I buy? A. Usually not just for buying, but selling or swapping at a profit can be taxable. See crypto taxes in Japan.
Not financial advice
This article is for education only and is not investment advice. Crypto carries risks including price volatility and hacking. Do your own research and only use money you can afford to lose.
This article is informational only and is not financial, investment, or trading advice. Prices are reference snapshots and may be outdated. Always do your own research.