If I update my chrome Metamask extension, can i still able to send an EIP-155 transaction like before London hardfork ?
How can I reverse a gas charge charged in metamask in failed transaction
Transaction fees are not charged by MetaMask and it cannot be reversed.
To read more https://metamask.zendesk.com/hc/en-us/articles/360045439051-Why-did-I-pay-gas-fees-for-a-failed-transaction-
Hello @Jiuhua Legacy transaction will likely to cost you more gas for transaction fees, is there a reason you would like to have this feature?