| Abbreviations | Definition |
|---|---|
| 2FA | Second Factor Authentication / Strong Authentication |
| API | Application Programming Interface |
| AP | Account Provider as defined within this document |
| DMZ | Demilitarized Zone (pertaining to TCP/IP Networks) |
| Fintech | A Financial and Technology Services Company |
| FPSP | Financial and Payment Services Providers |
| GUID | Global Unique Identifier |
| MLS | Message Level Security. In the context of this document, this refers to Message Signing. |
| MPR | Monetary Policy Rate |
| NDPR | Nigeria Data Protection Regulation |
| NITDA | National Information Technology Development Agency |
| OLTP | Online Transaction Processing |
| OLAP | Online Analytic Processing |
| TPP | Third-Party Provider as defined within this document |
| Transaction | A request to a financial institution to authorize the disbursement of goods or performance of services on behalf of a customer based on funds the customer has with the financial institution. |
| UUID | User Unique Identifier |