PANews, July 9 news, Haze, co-founder of GMGN, posted on the X platform stating that there has been a recent phenomenon of malicious nodes 'sandwiching' and that the Jito service has been unstable. Starting today, if users still encounter sandwiching after enabling the MEV sandwich prevention feature provided by GMGN, they can submit the transaction hash to verify with official personnel, and upon confirmation, they will receive corresponding fee compensation.