CZ responds to 'using BNB to long Mubarak': conducting the first on chain contract transaction to check for MEV issues

BlockBeats news, on March 24th, CZ responded to "using BNB to long Mubarak on APX Finance" and "conducted the first on chain perpetual contract test today. Just trying to experience it, while also wanting to see if there are still MEV (maximum extractable value) issues. You may find it hard to believe that I have never traded a contract on Binance (CEX). But I have seen many product demonstrations BlockBeats previously reported that CZ opened a 24.7-fold mubarak multiple order on APX Finance with 0.04 BNB using a public donation address last night (the position is currently closed).