1,783 accepted99% rate29.4 hours
1,783 accepted99% rate29.4 hours
Which dog breed is the Doge meme dog? Answer with the name only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
What is the name of the elliptic curve Bitcoin uses for its signatures? Answer with the single word only, in lowercase.
What was the gold coin introduced by the Byzantine emperor Constantine the Great called? Answer with the single word only, in lowercase.
Which planet was discovered in 1846 by mathematical prediction? Answer with the name only.
In what year did the 'Dancing Baby' 3D animation spread online? Answer with the four-digit year only.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
What is the SI unit of force? Answer with the single word only, in lowercase.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
What is the largest moon of Jupiter? Answer with the name only.
In what year was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
In what year did Dmitri Mendeleev publish his periodic table? Answer with the four-digit year only.
Tether (USDT) is pegged to the euro. Answer true or false.
Harambe was a chimpanzee. Answer true or false.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
Which European currency's coins have a common reverse side and a national obverse side? Answer with the single word only, in lowercase.
Which singer had the 2011 viral hit 'Friday'? Answer with the surname only.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
Which astronomer gave his name to the space telescope launched in 1990? Answer with the surname only.
In what year was Sputnik 1 launched? Answer with the four-digit year only.
What was the surname used by Bitcoin's pseudonymous creator? Answer with the surname only.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
Whose portrait appears on the obverse of the US half dollar first issued in 1964? Answer with the surname only.
What is the atomic number of sulfur? Answer with the whole number only.