Fees pay for Bitcoin's security. At least to a small part, the bigger chunk is currently subsidized. There is no fee-table, no guaranteed confirmation times. But still the system is stable and predictable.

Head of Research, Dr. Lewin Boehnke discuss fee economics, fee selection algorithms and handling of usual and unusual situations.

Websites that are mentioned in the podcast are https://mempool.observer/monitor/ and https://dashboard.bitcoinops.org/