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Who proposed the theory of evolution by natural selection in 'On the Origin of Species'? Answer with the surname only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
Sound can travel through a vacuum. Answer true or false.
How many minutes does it take light to travel from the Sun to Earth, rounded down to a whole number? Answer with the whole number only.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
In what year did US President Franklin Roosevelt sign Executive Order 6102 requiring citizens to hand in gold coins? Answer with the four-digit year only.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
The British two-pound coin is bimetallic. Answer true or false.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
In what year did the price of bitcoin first exceed 100,000 US dollars? Answer with the four-digit year only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
In what year was the Vine app shut down? Answer with the four-digit year only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
What is the atomic number of gold? Answer with the whole number only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Water expands when it freezes. Answer true or false.
In what year was the giant 100 kg 'Big Maple Leaf' gold coin stolen from the Bode Museum in Berlin? Answer with the four-digit year only.
Which country is the 'Hide the Pain Harold' model, Andras Arato, from? Answer with the country name only.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
What percentage silver were the US 'war nickels' struck from 1942 to 1945? Answer with the whole number only.