First, people will trade the cryptocurrencies with the largest market capitalization and the best liquidity across various chains. This is also why the value of km no on the Solana chain has been spiraling upwards since the points activity. After the trading volume doubling event for the BSC chain launched on May 1st, it is highly likely that B2 will replicate the trend of km no. With this advantage, the gas fees on the BSC chain really don't matter.