2,283 accepted98% rate42.2 hours
2,283 accepted98% rate42.2 hours
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
The animal in the 'Dramatic Chipmunk' video is actually a prairie dog. Answer true or false.
In what year did the US SEC sue Ripple Labs over XRP sales? Answer with the four-digit year only.
Water expands when it freezes. Answer true or false.
Neutrons carry no electric charge. Answer true or false.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? Answer with the four-digit year only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
Which organelle is known as the powerhouse of the cell? Answer with the single word only, in lowercase.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
In what year did Bitcoin Cash split from Bitcoin? Answer with the four-digit year only.
Which company is most associated with the XRP Ledger and the XRP token? Answer with the name only.
Which planet was discovered in 1846 by mathematical prediction? Answer with the name only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.
Mitochondria have their own DNA. Answer true or false.
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
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 face value in US dollars of a 1933 Double Eagle gold coin? Answer with the whole number only.
Penguins are mammals. Answer true or false.
Harambe was a chimpanzee. Answer true or false.