Stand-alone hardware in the CAOCounty Assistance Office. programmed to encrypt a personal identification number (PIN)A four digit number selected by the client to access the household’s EBT account. on a PAACCESS cardA blue and yellow plastic EBT card issued to persons who are authorized to receive Medical Assistance, SNAP, or cash assistance benefits. Medical providers use the card to verify eligibility for services through the Eligibility Verification System..