Participate in the purchase event for a chance to grab the exclusive Keystone3 OKX co-branded discount coupon! Limited to 200 pieces, enjoy discounts up to 30% off. During the application process, please ensure you provide your authentic email address. Once selected, the Keystone official team will send the discount coupon directly to your inbox. This coupon can be used for purchases on the official website after the official launch of the OKX co-branded hardware wallet. For more details, please visit the official Keystone website.