Odaily Planet Daily News On May 15, BitMart officially announced that it will launch the Solana ecosystem meme coin Yapper (YAPPER) at 12:00 PM (UTC+8) on the same day, and will open the YAPPER/USDT trading pair. It is reported that Yapper is a meme coin project based on the Solana blockchain, aiming to attract user participation through community-driven and decentralized features.