Should ensure enough incentive is in the system to keep the distributed nature of Bitcoin.
Right now that's called the block reward of 25 BTC and is shared by miners.
Bomba, I was concerned about the future upon new coin reward phases out, and transaction fees replace this as an incentive to continue spending computational effort to create new transaction blocks.
Last 24hrs, 5,400 BTC were created and 23 BTC were passed to miners in txn fees.
Question was about future expectation of txn fees per block, and dynamics of how this increase would occur