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Coin flipping, coin tossing, or heads or tails is the practice of throwing a coin in the air and checking which side is showing when it lands, in order to randomly choose between two alternatives. It is a form of sortition which inherently has two possible outcomes. The party who calls the side that is facing up when the coin lands wins.
Quantum coin flipping uses the principles of quantum mechanics to encrypt messages for secure communication. It is a cryptographic primitive which can be used to construct more complex and useful cryptographic protocols, [2] e.g. Quantum Byzantine agreement .
Two-up is a traditional Australian gambling game, involving a designated "spinner" throwing two coins, usually Australian pennies, into the air. Players bet on whether the coins will both fall with heads (obverse) up, both with tails (reverse) up, or with a head and one a tail (known as "Ewan").
Fair coin. A fair coin, when tossed, should have an equal chance of landing either side up. In probability theory and statistics, a sequence of independent Bernoulli trials with probability 1/2 of success on each trial is metaphorically called a fair coin. One for which the probability is not 1/2 is called a biased or unfair coin.
Penney's game. Penney's game, named after its inventor Walter Penney, is a binary (head/tail) sequence generating game between two players. Player A selects a sequence of heads and tails (of length 3 or larger), and shows this sequence to player B. Player B then selects another sequence of heads and tails of the same length.
Heads or Tails is a 2005 film written and directed by Joey McAdams and Clark Kline. Produced by Fool Martyr Productions, the film stars Jeff Keilholtz, Douglas Cathro and Jon Liddiard. [1] [2] [3] The screenplay was adapted from a short story Kline wrote in 1994. Shooting began in September 2003 with a script that was shrouded in secrecy even ...
Heads or Tales is the fifth studio album by the Canadian progressive rock band Saga, released in 1983. The album was the second of the band's to be produced by Rupert Hine. Although it did not attain the same commercial success and status of the previous collaboration between the band and Hine, Worlds Apart (1981), both "The Flyer" and "Cat ...
Spanish. Heads or Tails (Spanish: Águila o sol) is a 1938 drama film of the cinema of Mexico . This was Mario Moreno ’s a.k.a. Cantinflas 's third film and the second in a row with co-star Manuel Medel. After the completion of the film and with the help of Mendel, an already accomplished actor, Cantinflas decided to pursue a career of his own.