Controlling resource transfers based on unique digital identifier data

1 . A system comprising:

a processing device; and

a memory device that includes instructions executable by the processing device for causing the processing device to perform operations comprising:

receiving a resource request from a user device, the resource request being a request to transfer a resource from a first user account to a second user account based on a document, and the resource request comprising a document number, a user account number, and a routing number;

in response to receiving the resource request, generating a unique digital identifier that is a cryptographic hash for the document by inputting the document number, the user account number, and the routing number to a hash function;

querying a centralized database using the unique digital identifier to determine, based on a status indicator stored in the centralized database and associated with the unique digital identifier, a status of the document, wherein the status is selected from a group consisting of a pre-processing status, a processing status, and a post-processing status;

based on determining that the status of the document is the pre-processing status, authorizing the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database to change the status of the document from the pre-processing status to the processing status;

subsequent to authorizing the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database:

detecting an additional resource request from an additional user device, the additional resource request being transmitted in response to a user of the additional user device using a user interface associated with a software application executing on the additional user device to scan the document and transmit the additional resource request, the additional resource request being another request to transfer the resource from the first user account to a third user account based on the document, the additional resource request comprising the document number, the user account number, and the routing number;

in response to detecting the additional resource request, generating the unique digital identifier that is the cryptographic hash for the document by inputting the document number, the user account number, and the routing number to the hash function;

querying the centralized database using the unique digital identifier to determine, based on the status indicator, that the status of the document is the processing status; and

based on determining that the status of the document is the processing status:

denying the additional resource request to prevent a transfer of the resource from the first user account to the third user account; and

automatically preventing access for the user device to the software application to prevent the user device from initiating additonal resource requests.

2 . The system of claim 1 , wherein the operations further comprise, subsequent to authorizing the transfer of the resource from the first user account to the second user account:

detecting that the second user account received the resource; and

in response to detecting that the second user account received the resource, updating the status indicator in the centralized database to change the status of the document from the processing status to the post-processing status.

3 . The system of claim 1 , wherein the operations further comprise:

generating the unique digital identifier and the status indicator for the document; and

storing the unique digital identifier and the status indicator in the centralized database accessible by a plurality of entities.

4 . The system of claim 3 , wherein the operation of generating the unique digital identifier further comprises encrypting metadata associated with the document.

5 . The system of claim 1 , wherein the operation of receiving the resource request from the user device comprises:

receiving a first image of a front side of the document and a second image of a back side of the document;

executing optical character recognition to convert the first image and the second image into searchable data;

deriving metadata for the document from the searchable data, the metadata comprising the document number, the user account number, the routing number, a resource amount, a routing number, and an issue date; and

wherein the generating the unique digital identifier that is the cryptographic hash for the document further comprises inputting the document number, the user account number, the routing number, the resource amount, the routing number, and the issue date to the hash function.

6 . The system of claim 5 , wherein the operations further comprise:

determining the status indicator based on the searchable data by:

detecting a signature, hole, or ink stamp on the document based on the searchable data;

determining, based on the detection of the signature, the hole, or the ink stamp on the document, that the status of the document is the post-processing status; and

updating the status indicator in the centralized database to change the status of the document from the processing status to the post-processing status.

7 . The system of claim 1 , wherein the status indicator is a value corresponding to one of the group consisting of the pre-processing status, the processing status, and the post-processing, wherein a value of one corresponds to the pre-processing status, a value of two corresponds to the processing status, and a value of three corresponds to the post-processing status, and wherein:

the pre-processing status indicates that the document has not been used to transfer the resource;

the processing status indicates that the transfer of the resource is in process; and

the post-processing status indicates that the transfer of the resource from the first user account to the second user account is complete.

8 . The system of claim 1 , wherein the operations further comprise:

subsequent to authorizing the transfer of the resource from the first user account to the second user account:

retrieving the resource from the first user account;

subsequent to retrieving the resource from the first user account, depositing the resource into the second user account; and

subsequent to depositing the resource into the second user account, transmitting an alert to the user device to indicate the execution of the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database to change the status of the document from the processing status to the post-processing status.

9 . A computer-implemented method comprising:

receiving a resource request from a user device, the resource request being a request to transfer a resource from a first user account to a second user account based on a document, and the resource request comprising a document number, a user account number, and a routing number for the document;

in response to receiving the resource request, generating a unique digital identifier that is a cryptographic hash for the document by inputting the document number, the user account number, and the routing number to a hash function;

querying a centralized database using the unique digital identifier to determine, based on a status indicator stored in the centralized database and associated with the unique digital identifier, a status of the document, wherein the status is selected from a group consisting of a pre-processing status, a processing status, and a post-processing status;

based on determining that the status of the document is the pre-processing status, authorizing the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database to change the status of the document from the pre-processing status to the processing status;

subsequent to authorizing the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database:

detecting an additional resource request from an additional user device, the additional resource request being transmitted in response to a user of the additional user device using a user interface associated with a software application executing on the additional user device to scan the document and transmit the additional resource request, the additional resource request being another request to transfer the resource from the first user account to a third user account based on the document, the additional resource request comprising the document number, the user account number, and the routing number;

in response to detecting the additional resource request, generating the unique digital identifier that is the cryptographic hash for the document by inputting the document number, the user account number, and the routing number to the hash function;

querying the centralized database using the unique digital identifier to determine, based on the status indicator, that the status of the document is the processing status; and

based on determining that the status of the document is the processing status:

denying the additional resource request to prevent a transfer of the resource from the first user account to the third user account; and

automatically preventing access for the user device to the software application to prevent the user device from initiating additonal resource requests.

10 . The method of claim 9 , further comprising, subsequent to authorizing the transfer of the resource from the first user account to the second user account:

detecting that the second user account received the resource; and

in response to detecting that the second user account received the resource, updating the status indicator in the centralized database to change the status of the document from the processing status to the post-processing status.

11 . The method of claim 9 , further comprising:

generating the unique digital identifier and the status indicator for the document; and

storing the unique digital identifier and the status indicator in the centralized database accessible by a plurality of entities.

12 . The method of claim 11 , wherein generating the unique digital identifier further comprises encrypting metadata associated with the document.

13 . A non-transitory computer-readable medium comprising instructions that are executable by a processing device for causing the processing device to perform operations comprising:

receiving a resource request from a user device, the resource request being a request to transfer a resource from a first user account to a second user account based on a document, and the resource request comprising a document number, a user account number, and a routing number for the document;

in response to receiving the resource request, generating a unique digital identifier that is a cryptographic hash for the document by inputting the document number, the user account number, and the routing number to a hash function;

querying a centralized database using the unique digital identifier to determine, based on a status indicator stored in the centralized database and associated with the unique digital identifier, a status of the document, wherein the status is selected from a group consisting of a pre-processing status, a processing status, and a post-processing status;

based on determining that the status of the document is the pre-processing status, authorizing the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database to change the status of the document from the pre-processing status to the processing status;

subsequent to authorizing the transfer of the resource from the first user account to the second user account and updating the status indicator in the centralized database:

detecting an additional resource request from an additional user device, the additional resource request being transmitted in response to a user of the additional user device using a user interface associated with a software application executing on the additional user device to scan the document and transmit the additional resource request, the additional resource request being another request to transfer the resource from the first user account to a third user account based on the document, the additional resource request comprising the document number, the user account number, and the routing number;

in response to detecting the additional resource request, generating the unique digital identifier that is the cryptographic hash for the document by inputting the document number, the user account number, and the routing number to the hash function;

querying the centralized database using the unique digital identifier to determine, based on the status indicator, that the status of the document is the processing status; and

based on determining that the status of the document is the processing status:

denying the additional resource request to prevent a transfer of the resource from the first user account to the third user account; and

automatically preventing access for the user device to the software application to prevent the user device from initiating additonal resource requests.

14 . The non-transitory computer-readable medium of claim 13 , wherein the operations further comprise, subsequent to authorizing the transfer of the resource from the first user account to the second user account:

detecting that the second user account received the resource; and

in response to detecting that the second user account received the resource, updating the status indicator in the centralized database to change the status of the document from the processing status to the post-processing status.

15 . The non-transitory computer-readable medium of claim 13 , wherein the operations further comprise:

generating the unique digital identifier and the status indicator for the document; and

storing the unique digital identifier and the status indicator in the centralized database accessible by a plurality of entities.

16 . The non-transitory computer-readable medium of claim 15 , wherein the operation of generating the unique digital identifier further comprises encrypting metadata associated with the document.