This is what square dont support
https://squareup.com/us/en/legal/general/payment
I cant see where kava should fit in there..
3. Unsupported Industries
We can’t process payments for certain types of businesses or business activity, because of limitations from the card brands, our bank partners, or the law. A few types we won’t support for other business reasons.
You may not use the Payment Services for the following businesses or business activities: (1) any illegal activity or goods, (2) paraphernalia that may be used for illegal activity (3) buyers or membership clubs, including dues associated with such clubs, (4) credit counseling or credit repair agencies, (5) credit protection or identity theft protection services, (6) direct marketing or subscription offers or services, (7) infomercial sales, (8) internet/mail order/telephone order pharmacies or pharmacy referral services (where fulfillment of medication is performed with an internet or telephone consultation, absent a physical visit, including re-importation of pharmaceuticals from foreign countries), (9) unauthorized multi-level marketing businesses, (10) inbound or outbound telemarketers, (11) prepaid phone cards or phone services, (12) rebate based businesses, (13) up-sell merchants, (14) bill payment services, (15) betting, including lottery tickets, sports related gambling, casino gaming chips, off-track betting, and wagers at races, (16) manual or automated cash disbursements, (17) prepaid cards, checks, insurance or other financial merchandise or services, (18) sales of money-orders or foreign currency, (19) wire transfer money orders, (20) high-risk products and services, including telemarketing sales, (21) automated fuel dispensers, (22) adult entertainment oriented products or services (in any medium, including internet, telephone, or printed material), (23) sales of (i) firearms, firearm parts or hardware, and ammunition; or (ii) weapons and other devices designed to cause physical injury (24) internet/mail order/telephone order of age restricted products (e.g., tobacco), (25) occult materials and services, (26) hate or harmful products, (27) escort services, or (28) bankruptcy attorneys or collection agencies engaged in the collection of debt.