I know that it should be possible to find such data for bitcoin, but what I want is somewhat unified solution. E.g. I give a network name and timestamp - and receive something like average transaction fees for this network at that time. I want to emulate the exchanges for the 2022 and I need to account for fees. CCXT library has calculate_fee method, but first of all it is not documented well, and I checked the implementation, it seems like it doesn't take any timestamp. Any API or dataset that I could use for that? Thanks Tried to google any API or data and failed. Continue reading...