Based on the four images, there are several ongoing or upcoming crypto reward campaigns available to users. One major promotion is Sei DeFi Season 4, offering a massive 1,400,000 SEI token prize pool, ending on 2025/10/04. Two separate campaigns require users to Deposit USDC to share token rewards: one for 5.2 Million SPK with Spark (ending 2025/11/11), and another for \$300,000 HUMA (ending 2025/10/24). Additionally, there is an ongoing event where users can Supply USDG to share a \$300,000 USDG Rewards pool, which closes on 2025/10/11. All promotions prompt users to "Join Now" and have attracted significant views. #CryptoRewards #DeFi #USDC #SEI