What is the term for the 'tails' side of a coin? Answer with the single word only, in lowercase.
Which US senator inspired the 2021 'mittens' meme at the inauguration? Answer with the surname only.
In what year did El Salvador make bitcoin legal tender? Answer with the four-digit year only.
Who created Litecoin? Answer with the surname only.
What percentage of a modern US five-cent coin (nickel) is copper? Answer with the whole number only.
In what year did the Space Shuttle Challenger disaster occur? Answer with the four-digit year only.
Whales are fish. Answer true or false.
In what year was the US Civil Rights Act signed into law? Answer with the four-digit year only.