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Table 2 Possible events to be recorded in transaction’s trace

From: POS-originated transaction traces as a source of contextual information for risk management systems in EFT transactions

Event

Meaning

Timestamp

Value

crs

Card read started

X

 

cr

Card read

X

 

cp

CDCVM performed

  

pofs

Offline PIN started

X

 

pofc

Offline PIN canceled

X

 

poff

Offline PIN failed

X

 

pofv

Offline PIN entered

X

 

ofd

Offline declined

  

ofa

Offline approved

  

pons

Online PIN started

X

 

ponc

Online PIN canceled

X

 

onr

Online result

X

X

2ar

2nd AC rejected

  

ss

Signature started

X

 

sf

Signature failed

X

 

sv

Signature verified

X

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