<ul data-eligibleForWebStory="false">TRON founder Justin Sun pledges to purchase $100 million worth of TRUMP coin as it launches on the TRON blockchain.TRUMP coin's trading volume doubled to $322 million within 24 hours after Sun's announcement.Sun deepens ties with Trump-related crypto ventures, including a $75 million stake in WLFI and an advisory role.The TRUMP coin, associated with President Trump's brand, saw renewed interest and price rise following Sun's pledge.