According to EmberCN, traders interested in joining a discussion group can register through his exchange invitation links. By using the referral code PSUTWU9C on Binance, users receive a 20% cashback. Similarly, using the invitation code EMBER on OKX also offers a 20% cashback. After registration and funding, users should send their WeChat QR code or WeChat ID along with their platform UID to join the group.