コインチェック-ビットコイン/仮想通貨（暗号資産）取引アプリ

1. Download and sign up: Create your account, set a strong password, and enable biometric login. 2. Verify identity: Complete KYC by submitting your ID to unlock deposits, withdrawals, and higher limits. 3. Add funds: Link a bank account or deposit crypto to your wallet, then choose the currency you want to use. 4. Buy and sell: Select Bitcoin or another coin, choose market or limit order, enter the amount, review fees, and confirm. 5. Manage and secure: Track your portfolio and charts, set price alerts and recurring buys, enable two-factor authentication, and withdraw to your bank or external wallet when needed.