Polygon adopted the EIP-1559 fee mechanism to bring more predictability to network transaction costs. Before EIP-1559, users had to guess what gas price to set in order to get their transaction included promptly. With EIP-1559, the protocol sets a base fee for each block that automatically adjusts based on how full the previous block was, removing much of the guesswork.
Under EIP-1559, each block has a target size. If the previous block was more than 50% full, the base fee increases by up to 6.25%. If it was less than 50% full, the base fee decreases by up to 6.25%. This self-regulating mechanism ensures that fees reflect real-time demand without spiking uncontrollably. The base fee is then burned — permanently removed from circulation — while the tip goes to the validator.
For users, EIP-1559 means that you can set a max fee (the most you are willing to pay per gas unit) and a max priority fee (your tip to the validator). If the base fee at the time of inclusion is lower than your max fee, you receive a refund of the difference. This makes fee estimation much more user-friendly and reduces the risk of significantly overpaying during sudden congestion spikes.dit quo minus id quod maxime placeat facere possimus, on omnis voluptas temporibus autemi quibusdam et aut officiis debitis
