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2. Multiple choice - Wikipedia

   en.wikipedia.org/wiki/Multiple_choice

   A multiple choice question, with days of the week as potential answers. Multiple choice (MC), [1] objective response or MCQ(for multiple choice question) is a form of an objective assessment in which respondents are asked to select only the correct answer from the choices offered as a list.

3. Online quiz - Wikipedia

   en.wikipedia.org/wiki/Online_Quiz

   Online quizzes are generally free to play and for entertainment purposes only though some online quiz websites offer prizes. Websites feature online quizzes on many subjects. One popular type of online quiz is a personality quiz or relationship quiz which is similar to what can be found in many women's or teen magazines.

4. Smart contract - Wikipedia

   en.wikipedia.org/wiki/Smart_contract

   In fact, blockchain technology reduces the costs for conducting of a lottery and is therefore beneficial for the participants. Randomness on blockchain can be implemented by using block hashes or timestamps, oracles, commitment schemes, special smart contracts like RANDAO [40] [41] and Quanta, as well as sequences from mixed strategy Nash ...

5. Cryptocurrency - Wikipedia

   en.wikipedia.org/wiki/Cryptocurrency

   According to blockchain data company Chainalysis, criminals laundered US$8,600,000,000 worth of cryptocurrency in 2021, up by 30% from the previous year. [215] The data suggests that rather than managing numerous illicit havens, cybercriminals make use of a small group of purpose built centralized exchanges for sending and receiving illicit ...

6. The Impossible Quiz - Wikipedia

   en.wikipedia.org/wiki/The_Impossible_Quiz

   The Impossible Quiz is a point-and-click quiz game that consists of 110 questions, [1] [2] using "Gonna Fly Now" as its main musical theme. Notorious for its difficulty, the quiz mixes multiple-choice trick questions similar to riddles, along with various challenges and puzzles. [1] [2] Despite the quiz's name and arduousness, the game is ...

7. Bitcoin protocol - Wikipedia

   en.wikipedia.org/wiki/Bitcoin_protocol

   A diagram of a bitcoin transfer. The bitcoin protocol is the set of rules that govern the functioning of bitcoin.Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all bitcoin transactions; mining and proof of work, the process to create new bitcoins and verify transactions; and ...