Token processing for access interactions

A method comprising:

• receiving, by an access device of an access provider from a payment device of a user, a credential during an interaction, wherein the access device is a first transit terminal comprising a first physical barrier adapted to prevent users from unauthorized access to a transit system;
• cryptographically altering, by the access device, the credential to form a token;
• determining, by the access device, if the token is on a blacklist stored at the access device;
• determining, by the access device, that the token is not on the blacklist;
• in response to determining that the token is not on the blacklist, moving the first physical barrier;
• receiving, by an access operator computer from the access device, a first transaction request for a first transaction, the first transaction request comprising the credential, the first transaction request associated with a first transaction amount;
• identifying, by the access operator computer, the token, based upon the credential in the first transaction request;
• transmitting, by the access operator computer to an authorizing computer, a pre-authorization request message comprising the credential and a pre-authorization amount;
• receiving, by the access operator computer, a pre-authorization response message from the authorizing computer;
• receiving, by the access device or another access device, the credential from the payment device in a subsequent interaction,
• cryptographically altering, by the access device or the another access device, the credential to form the token in the subsequent interaction, wherein the another access device is a second transit terminal comprising a second physical barrier adapted to prevent users from unauthorized access to the transit system;
• determining if the token formed in the subsequent interaction is on the blacklist on the access device or another blacklist stored at the another access device;
• receiving, by the access operator computer from the access device or the another access device, a second transaction request for a second transaction, the second transaction request comprising the credential, the second transaction request associated with a second transaction amount;
• identifying, by the access operator computer, the token from the credential in the second transaction request;
• determining, by the access operator computer, that the token in the second transaction request has been used at the access provider;
• forming a total amount by aggregating, by the access operator computer, at least the first transaction amount and the second transaction amount;
• and
• initiating transmitting a clearing message including the total amount.