The fees are added to each blockchain transaction because of the sender of copyright assets as an incentive for validators. Senders may select the price quantity, and could even send a transaction without any fees in any way. Block validation yourself is a relatively unrealistic endeavor, either on PoW https://financefeeds.com/missed-the-2021-boom-these-7-coins-could-be-the-best-cryptos-to-buy-for-hold-long-term-in-2025/