To log in to Bitbuy, visit the official website or app. Enter your registered email and password. If two-factor authentication is enabled, provide the code generated by your authenticator app or sent via SMS. Upon successful login, you'll gain access to Bitbuy's platform, where you can buy, sell, and manage various cryptocurrencies securely. Ensure you're logging in through official channels to avoid phishing attempts and protect your account. Keep your login credentials confidential and consider additional security measures like using a strong, unique password and enabling biometric authentication if available. Regularly monitor your account for any unauthorized activity and report suspicious behavior promptly.