TechFlow News — Rongjian Lan, co-founder and CTO of Harmony, tweeted that the team recently received community feedback reporting slow network speeds and longer-than-usual transaction processing times. Normally, Harmony's block gas limit is set at 80 million. The team has confirmed the presence of arbitrage bots on the network attempting to "revert" certain transactions. Due to Harmony's mempool using random transaction ordering, these bots flood the network with as many spam transactions as possible to increase their chances of success. As a response, the team has temporarily reduced the block gas limit to 20 million. They plan to deploy a fix that will make transaction ordering deterministic (based on time), which will render spamming strategies by arbitrageurs ineffective. Until the update is deployed, users are advised to increase their gas prices for faster transaction processing.
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