From the technical point of view it should be possible to support multiple cryptocurrencies.
The problem is possible fault configurations. If you change the value and not the currency you can easily empty you wallet with one run. Two safety barriers are needed for that.
Create an absolute limit per payout in $ or €
Create the selery.yml only with the selery run command so that inputs are double checked and users gets feedback on the $ or € value entered. Write into the selery.yml to never generate it manually if you are not an OpenSelery expert.
From the technical point of view it should be possible to support multiple cryptocurrencies. The problem is possible fault configurations. If you change the value and not the currency you can easily empty you wallet with one run. Two safety barriers are needed for that.
This is related to #63