What is Hydrogen Debit? August 28, 2021 15:24 Updated Hydrogen Debit allows SMBs and SMEs to embed no-code applications for prepaid debit card issuance and management. Related articles What use cases can be supported in Hydrogen Debit? Can checks be written from the debit card accounts? Are there ever any Not-Sufficient Funds (NSF) or overdraft fees charged to holders of the debit cards? Are the debit cards FDIC insured? Are there specific merchants that do not accept Hydrogen's cards?