

| Description/Meaning | |
| A | 
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| ABA | Australian Banking Association | 
| ACMS | ActivCard Management Suite | 
| APCA | Australian Payments Clearing Association | 
| ASX | Australian Stock Exchange | 
| B | 
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| b2B | Business to Bank | 
| B2B | Business to Business | 
| B2C | Business to Consumer | 
| BECS | Bulk Electronic Clearing System | 
| C | 
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| CA | Certificate Authentication | 
| CS2 | Clearing Stream 2 | 
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| D | 
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| DBMS | Database Management System | 
| DE | Direct Entry | 
| DRS | Disaster Recovery System | 
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| E | 
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| F | 
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| G | 
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| H | 
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| I | 
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| IPO | Initial Public Offering | 
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| J | 
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| K | 
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| L | 
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| M | 
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| MTB | Major Trading Bank | 
| MOU | Memoranda of Understanding | 
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| N | 
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| O | 
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| OLTP | Online Transaction Processing | 
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| P | 
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| P2P | Person to Person | 
| PKI | Public Key Infrastructure | 
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| Q | 
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| R | 
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| S | 
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| SQL | Structured Query Language | 
| SSL | Secure Socket Layer | 
| STP | Straight Through Processing | 
| SWIFT | Secure Worldwide Interchange for FinancialTransactions | 
| SWOT | Strength Weakness Opportunity Threat | 
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| T | 
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| TPA | Trusted Payment Architecture | 
| TTA | Total Transport Architecture | 
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| U | 
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| V | 
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| W | 
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| X | 
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| XML | Extensible Markup Language | 
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| Y | 
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| Z | 
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