3,592 accepted98% rate57.7 hours
3,592 accepted98% rate57.7 hours
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What is the atomic number of mercury? Answer with the whole number only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
What is the name of the elliptic curve Bitcoin uses for its signatures? Answer with the single word only, in lowercase.
In what year did Bitcoin Cash split from Bitcoin? Answer with the four-digit year only.
In what year did the 'Ever Given' ship get stuck in the Suez Canal, spawning memes? Answer with the four-digit year only.
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Who founded the Tron blockchain? Answer with the surname only.
Grumpy Cat died in 2015. Answer true or false.
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 was Dogecoin created? Answer with the four-digit year only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
Which dog breed is the Dogecoin mascot? Answer with the name only.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
How many ETH did the original Nyan Cat GIF sell for as an NFT in 2021? Answer with the whole number only.
In what year did the Eisenhower dollar coin first appear? Answer with the four-digit year only.
What is the largest moon of Jupiter? Answer with the name only.
What is the chemical symbol for silver? Answer with the chemical symbol only.
What is the face value in US dollars of a 1933 Double Eagle gold coin? Answer with the whole number only.
In what year did Mike Godwin formulate Godwin's law? Answer with the four-digit year only.
In what year did Dmitri Mendeleev publish his periodic table? Answer with the four-digit year only.