PANews reported on August 4 that according to the official announcement, OKX Chain Earning has launched the additional SPK reward activity for Spark USDC at 16:00 (UTC+8) on August 4, 2025. The total prize pool is as high as 2,000,000 SPK. During the activity, users who subscribe to USDC for Spark Protocol's on-chain earning products can receive corresponding SPK token rewards, with an annualized return of up to 9.68% (including Spark Protocol's basic yield + 5.5% real-time activity annualized yield).

The event will run until 16:00 (UTC+8) on September 3, 2025. Users who have already subscribed to Spark USDC before the event launch will automatically be eligible. Participation is convenient via the OKX app or website: On the app, go to the "Explore" page, select "Earn on Chain" - USDC, set Spark as the income source, and complete the subscription. On the website, go to the "Finance" page, click "Earn on Chain" - USDC, select Spark as the income source, and enter the subscription amount to complete the process. There's no upper subscription limit during the event, so participate now.