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In railway signalling, a token is a physical object which a train driver is required to have or see before entering onto a particular section of single track. The token is clearly endorsed with the names of the section to which it belongs. A token system is more commonly used for single lines because of the greater risk of collision in the ...
A token economy is a system of contingency management based on the systematic reinforcement of target behavior. The reinforcers are symbols or tokens that can be exchanged for other reinforcers. [1] A token economy is based on the principles of operant conditioning and behavioral economics and can be situated within applied behavior analysis.
FIDO Alliance. The FIDO ("Fast IDentity Online") Alliance is an open industry association launched in February 2013 whose stated mission is to develop and promote authentication standards that "help reduce the world’s over-reliance on passwords ". [1] FIDO addresses the lack of interoperability among devices that use strong authentication and ...
In psychology. In the field of psychology, the broader definition of tokenism is a situation in which a member of a distinctive category is treated differently from other people. The characteristics that make the person of interest a token can be perceived as either a handicap or an advantage, as supported by Václav Linkov.
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Non-fungible token. A non-fungible token (NFT) is a unique digital identifier that is recorded on a blockchain and is used to certify ownership and authenticity. It cannot be copied, substituted, or subdivided. [1] The ownership of an NFT is recorded in the blockchain and can be transferred by the owner, allowing NFTs to be sold and traded.
Radio Electronic Token Block is a system of railway signalling used in the United Kingdom. It is a development of the physical token system for controlling traffic on single lines. The system is slightly similar to North American direct traffic control, which unlike RETB does not have a cab display unit.
Ludo. Ludo (/ ˈljuːdoʊ /; from Latin ludo ' [I] play') is a strategy board game for two to four [a] players, in which the players race their four tokens from start to finish according to the rolls of a single die. Like other cross and circle games, Ludo originated from the Indian game Pachisi. [1]