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T
TARGET 1 (Trans-European Automated Real-time Gross settlement Express Transfe)
Telepayment
Test key
Tiering arrangement
Time stamp token (TST)
Time stamping
Token
Traceability
Trade registration
Trade-for-trade settlement
Trade-for-trade settlement system
Transaction
Transaction Reference
Transaction Type Code
Transaction universally/partially-acknowledged in SIT
Transfer
Transfer of IBAN
Transmission control protocol/internet protocol (TCP/IP)
Travel and entertainment card
Trojan horse
Truncated bill of exchange
Truncated-cheque
Truncation
Trusted Third Party (TTP)
Trusted Third Party (TTP)

An organisation, which delivers services to increase the reliability of electronic exchange of information. Such services may include archiving of certificates, time stamping, attribute certification. A CA must have the status, credentials and qualifications of a TTP.