Regardless of whether tst continues to rise or not, and regardless of what happens to the BNB chain in the future, it is necessary to keep some BNB or BNB chain U-reserves in the wallet in the short term. You can have a skeptical attitude, you can question, but you need to be prepared. Sometimes it only takes a few minutes to buy and withdraw coins, and with the congestion on the chain, it may have already doubled or multiplied several times.