Binance (the world's largest exchange)

Registration link (with referral code):

✅VPN only accepts: South Korea, Japan, Singapore, Germany, Taiwan

Android users: Register and then directly download the app

iOS users:
1️⃣ Register first, then download: Use Hong Kong, Macau, or Taiwan Apple ID to download the Chinese version
2️⃣ If you download first and then register: Enter referral code: NBA1818 (uppercase) for a 20% lifetime spot rebate on fees