Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
DNA has a double-helix structure. Answer true or false.
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.
Neutrons carry no electric charge. Answer true or false.
Water expands when it freezes. Answer true or false.
What is the lightest chemical element? Answer with the single word only, in lowercase.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
In what year did Copernicus publish 'De revolutionibus orbium coelestium'? Answer with the four-digit year only.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
In what year did Bitcoin activate the Taproot upgrade? 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.
Who founded the Tron blockchain? Answer with the surname only.
Mitochondria have their own DNA. Answer true or false.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
In what year was 'goblin mode' named Oxford Word of the Year? 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.