The other fee is for staking, which is a process of locking up a certain amount of cryptocurrency in order to receive rewards for validating transactions on the blockchain. This is an important part of the blockchain consensus process, as it ensures that the network is secure and reliable. The first fee was to approve spending, which is the process of authorizing payments from a wallet or other account. By approving spending, users can ensure that the funds they are sending are going to the right place. Both of these fees are necessary for the proper functioning of the blockchain, and thus are important for ensuring the security and reliability of the network.