1. Only a few bank acceptance bills are encrypted. The most important thing is to carefully check the authenticity of the acceptance bills.
2. Whether the secret place is printed or handwritten depends on the different issuing methods adopted by banks: handwriting is better in anti-counterfeiting, but the efficiency of signing tickets is low.
bank acceptance bill: a bill drawn by a depositor who opens a deposit account in an acceptance bank, applied to the opening bank and accepted by the bank upon examination, and guaranteed to unconditionally pay a certain amount to the payee or holder on a specified date. Accepting the commercial bill issued by the drawer is the credit support given by the bank based on the recognition of the drawer's credit standing.