Guide
How to Buy Crypto Safely in Japan: The Complete First-Purchase Guide
Bottom line: registered exchange → KYC → 2FA → buy small → self-custody
When buying crypto for the first time, the most important rule is don't rush, start small, use the legitimate route. The safe order is:
- Choose an FSA-registered exchange in Japan
- Complete identity verification (KYC)
- Always enable two-factor authentication (2FA)
- Make a small first purchase
- Consider self-custody (a wallet) as amounts grow
Key points
- Pick a platform from the FSA registry only. Avoid "high-return exchanges" pushed via social-media ads or DMs.
- The first thing after opening an account: set up 2FA and a withdrawal-address whitelist. Never reuse passwords.
- Start with a tiny amount to learn buying, sending, and fees.
- For large or long-term holdings, consider self-custody with a hardware wallet.
- Learn the common scams first so you don't take a dangerous shortcut.
Why a "registered" exchange is decisive
In Japan, crypto exchange is a licensed business: only operators registered with the FSA can legally operate, within a framework of segregated custody, the Travel Rule, and self-regulation via JVCEA. Unregistered offshore platforms or a "friend's exchange" are extremely hard to recover from when things go wrong — beginners should avoid them.
The first choice decides the game
In 2025, social-media investment-scam losses hit a record high (National Police Agency). "Guaranteed gains" or "a special exchange" is almost always the doorway to a scam. Staying on the legitimate route is your strongest defense.
STEP 1: Choose an exchange (checklist)
See how to choose an exchange and Japanese crypto exchanges. The minimum checks:
| Factor | What to look at |
|---|---|
| Registration | Listed on the FSA crypto-exchange registry |
| Fees | Deposit/withdrawal and trading (spread vs order book) |
| Coins | Does it list what you want to buy? |
| Security | 2FA, withdrawal-address whitelist, cold storage |
| Usability | App, support, language |
"Sales" desk vs the order book
Even at one company, the easy "sales" service often has a wider spread (effective fee). Once comfortable, limit/market order-book trading can be cheaper.
STEP 2: Identity verification (KYC)
Opening an account requires KYC — ID plus a selfie, usually done within a day or a few days. Register accurate details (to avoid later withdrawal issues) and submit only via the official app/site (watch for fake sites).
STEP 3: Harden the account (most important security)
Before you buy, build your defenses:
- 2FA: an authenticator app (TOTP) is safer than SMS. Store the recovery codes safely.
- Passwords: never reuse; use a password manager.
- Withdrawal-address whitelist: block withdrawals to any non-registered address.
- Only official entry points: use a bookmark; beware fake login pages in search ads.
STEP 4: Make a small first purchase
Following how to buy, start small: deposit → place an order → fill → check balance. Feel the volatility, and consider spreading entries over time with dollar-cost averaging.
Spare money, small start
Don't buy with living costs or debt. The first goal is to learn correct operations, not to profit.
STEP 5: Where to store it (exchange vs self-custody)
Where you keep your crypto is the heart of safety. Go deeper in the complete wallet guide.
| Storage | Suits | Watch out for |
|---|---|---|
| Left on the exchange | Small amounts, active trading | Exchange hacks, withdrawal freezes |
| Software (hot) wallet | Small amounts in DeFi/NFTs | Malicious approvals and drainers |
| Hardware (cold) wallet | Large or long-term holdings | Guarding your private key/recovery phrase |
As the saying goes, "Not your keys, not your coins." As amounts grow, plan a hot/cold split and move the bulk to a hardware wallet.
Pre-purchase checklist
- [ ] Confirmed the exchange is FSA-registered
- [ ] Enabled 2FA with an authenticator app
- [ ] Not reusing passwords
- [ ] Set a withdrawal-address whitelist
- [ ] Access only via the official app/bookmark
- [ ] Buying small, with spare money
- [ ] Read the common scams
FAQ
Q. What's the minimum to buy? A. It varies, but many exchanges let you start with a few hundred to a few thousand yen. Start small to learn the flow.
Q. Is it okay to leave coins on the exchange? A. Reasonable for small, short-term holdings, but exchanges carry hack and withdrawal-freeze risk. Consider self-custody as amounts grow.
Q. Which coin should I buy? A. This is educational and recommends no specific coin. Learn to research projects yourself and decide based on your own judgment.
Sources
- FSA list of registered crypto-exchange operators: https://www.fsa.go.jp/menkyo/menkyoj/kasou.pdf
- JVCEA (self-regulatory body): https://jvcea.or.jp/
- National Police Agency, social-media investment/romance scams: https://www.npa.go.jp/bureau/safetylife/sos47/case/sns-romance/investment/
Important notice
This article is educational information, not investment or tax advice. Crypto carries risk of price swings and hacking. Rules and tax law change; this guide reflects publicly available information as of June 2026. Verify the latest details with Japan's NTA (tax), the FSA (regulation), or a licensed professional, and only invest 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.