The UNI surge has opened the transaction fee switch. In fact, this matter was mentioned several years ago, and the delay in opening it has been controversial. Recently, the reason it was opened is mainly related to the ongoing wallet war among CEXs. CEX wallets are fiercely giving out airdrops to compete for users. However, users have realized that these exchange operations incur transaction fees. Currently, BN is free, while OE charges a fee of 0.8 points, which has cultivated user habits.
The benefit is that there is protocol income, which can be used for buybacks and subsidies for LPs, etc. The downside is that real users are unhappy. In the future, users will definitely choose the cheaper option, so it will become a competition. $UNI