There are two currency systems for the server-- Jujutsu Points and Yen.
Jujutsu Points cannot be traded and are held on the Purity bot. They are specific to the player and can be earned through events, missions, weekly training and ranking up in Grade.
They are used to purchase Base Points, Special Class Techs, Sub-class techs etc. Basically a currency that helps you grow as a Jujutsu Sorcerer. JP does not exist in roleplay and cannot be traded between players.
You can train two Jujutsu Point per week for 10 paragraphs. You then submit the training to #jp-and-yen-requests
A tradeable currency that are held on Unbelievaboat. Yen is the in-universe currency and can be traded between players. It can be used to buy tangible items such as Cursed Tools, Supplies, and so on and so forth.
Can be obtained via Weekly Income that pays according to your Grade, missions, events, server boosting and more.