Post content of no less than 100 characters on Binance Square. Your post must mention @SignOfficial (https://www.binance.com/zh-CN/square/profile/signofficial), include the token tag $SIGN, and have the topic #SignGeopoliticalInfrastructure. The content must be closely related to SIGN and $SIGN, and it must be original, without plagiarism or repetition. This task will continue to be updated daily until the event ends and will not be marked as completed. Suggested discussion topic: The development value and future growth space of the Sign token in the context of the Middle East situation. #sign地缘政治基建 $SIGN