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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.
Who formulated the three laws of planetary motion? Answer with the surname only.
The British two-pound coin is bimetallic. Answer true or false.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
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.
Which country issues the Krugerrand gold coin? Answer with the country name only.
The Sun is a red dwarf star. Answer true or false.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Which country does Pinkfong, the company behind 'Baby Shark Dance', come from? Answer with the country name only.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
In what year was the Vine app shut down? 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.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Neutrons carry no electric charge. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
The Sacagawea dollar coin is gold in color. Answer true or false.
What is the lightest chemical element? Answer with the single word only, in lowercase.