According to Odaily, Synthetix founder Kain Warwick has publicly challenged Su Zhu to a duel on the Singapore-based combat streaming platform Karate Combat. Warwick issued the challenge via a post on X, urging Su Zhu to respond within 24 hours and not to ignore the invitation. In response, Su Zhu stated, 'Kain, I sincerely apologized to you via private message a few months ago, but you have ignored me since then. I met several members of the Infinex team (a new protocol under Synthetix) in Brussels and even encountered you. However, you leaked our private messages without reason, which I cannot understand. I respectfully decline your invitation and wish you all the best.'

Warwick replied, 'I did not respond to your apology because you would use it to maintain your image, such as telling the public that 'Kain and I have reconciled, and we are on good terms.' The conflict between Kain and Su Zhu dates back to 2021 when Su Zhu announced his departure from Ethereum, leading to a public dispute between the two on X.