Ethereum fees have spiked to their highest level since June this week, according to data from IntoTheBlock. The average transaction fee on Ethereum is now over $20, and fees for more complex transactions can be even higher. This increase in fees is likely due to a combination of factors, including increased demand for Ethereum and a decrease in the supply of ETH. Ethereum is currently the most popular blockchain for decentralized applications (dApps), and the number of dApps being built on Ethereum is constantly growing. This increased demand for Ethereum is putting pressure on the network and leading to higher fees. At the same time, the supply of ETH is decreasing. Ethereum has a limited issuance schedule, and the number of new ETH being created each year is decreasing. This decrease in supply is also contributing to higher fees. The high fees on Ethereum are a major concern for users, as they can make it difficult to use the network. However, there are a number of things that can be done to reduce fees, such as using a different blockchain or waiting for a time when fees are lower.