https://mainnet.jp/en/tags/coincheck/Recent content in Coincheck on Mainnet.jpHugo -- gohugo.ioenMainnet.jpWed, 07 Jan 2026 15:45:00 +0900https://mainnet.jp/en/exchange-guide/coincheck-account-opening-steps-precautions/Wed, 07 Jan 2026 15:45:00 +0900https://mainnet.jp/en/exchange-guide/coincheck-account-opening-steps-precautions/<img src="https://mainnet.jp/img/thumbnail/coincheck-account-opening-steps-precautions-en.png" alt="Featured image of post Coincheck Account Registration Steps and Important Points" /><p>Praised for its simple mobile application layout, Coincheck is the go-to exchange for crypto beginners in Japan. We walk through the exact steps to open an account and highlight critical cost-saving configurations.</p> <h2 id="preparations-checklist">Preparations Checklist </h2><ul> <li>Active email address.</li> <li>Smartphone.</li> <li>Identity Document (My Number Card, Driver&rsquo;s License, or Passport).</li> </ul> <h2 id="account-opening-workflow">Account Opening Workflow </h2><ol> <li><strong>App Install &amp; Signup</strong>: Register your account via the mobile app.</li> <li><strong>KYC Document Scan</strong>: Use the e-KYC scanner to upload photos of your ID and record a facial scan.</li> <li><strong>Approval Notification</strong>: Registration reviews typically conclude within hours, activating trading features.</li> </ol> <h2 id="critical-coincheck-warning">Critical Coincheck Warning </h2><p>Coincheck&rsquo;s mobile app defaults altcoin orders to the high-spread &ldquo;Instant Buy&rdquo; market. <strong>When buying Bitcoin (BTC), navigate to the browser-based dashboard and use the zero-fee &ldquo;Exchange&rdquo; (取引所)</strong> to keep transaction costs minimal.</p>