valid transaction
1Valid time — (VT) is a concept used in temporal databases. It denotes the time period during which a database fact was, is, or will be valid in the modeled reality. In a database table valid time is often represented by two extra table columns StartVT and… …
2Transaction time — (TT) is a concept used in temporal databases. It denotes the time period during which a database fact is/was stored in the database. In a database table transaction time is often represented by two extra table columns StartTT and EndTT . The time …
3Transaction authentication number — A Transaction authentication number or TAN is used by some online banking services as a form of single use passwords to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single password… …
4transaction — Synonyms and related words: accomplished fact, accomplishment, accord, achievement, act, acta, action, administration, adventure, affair, agreement, annals, arrangement, bargain, binding agreement, blow, bond, business, business deal, carrying… …
5commercial transaction — ▪ economics Introduction in law, the core of the legal rules governing business dealings. The most common types of commercial transactions, involving such specialized areas of the law and legal instruments as sale of goods and documents of… …
6Secure electronic transaction — (SET) is a standard protocol for securing credit card transactions over insecure networks, specifically, the Internet. SET is not itself a payment system, but rather a set of security protocols and formats that enables users to employ the… …
7ex-pit transaction — The closing out of a futures position off the exchange floor. Effected when two hedgers, one long and one short, make a private deal in the cash market, and no longer need their (equal and opposite) futures contracts to hedge. The hedgers contact …
8ex pit transaction — The term Ex Pit refers to any transaction done non competitively. The only permissible ex pit transactions are EFPs EBFs defined block trades and transfers. Block trades must be executed in accordance with Rule 526. EFP and EBF transactions must… …
9CONTRACT — (Heb. חוֹזֶה, ḥozeh), in general law theory a legally binding agreement between two or more parties, in terms of which one party undertakes for the benefit of the other to perform or refrain from a certain act. As such, contract is the main… …
10Two-factor authentication — (TFA, T FA or 2FA) is an approach to authentication which requires the presentation of two different kinds of evidence that someone is who they say they are. It is a part of the broader family of multi factor authentication, which is a defense in …
