Odaily Planet Daily News According to official news, TON announced that the fourth season of the Open League (Open League S4) is open for registration. This season will include competitions in the categories of tokens, applications, NFTs and DeFi. Applications will close at 19:00 Beijing time on June 11. The main updates of the fourth season are as follows: - This season will merge the main league and the minor league. As usual, the winner of the previous season will receive LP boost. - Registration for DeFi and NFT competitions is now open, but the start date has not yet been determined; - To qualify for the application competition, teams with Telegram Mini Apps need to integrate a new SDK; - At the end of the fourth season, the top 10 projects on the leaderboard will receive LP boost in the fifth season.