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Which country does Pinkfong, the company behind 'Baby Shark Dance', come from? Answer with the country name only.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year was the Vine app shut down? 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.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
Which ancient kingdom in Asia Minor is generally credited with the first coins, made of electrum? Answer with the name only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year did Ethereum complete the Merge to proof of stake? 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.
In what year did the Fukushima Daiichi nuclear disaster occur? Answer with the four-digit year only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
Which dog breed is the Dogecoin mascot? Answer with the name only.
In what year did Pepe the Frog first appear in the comic 'Boy's Club'? Answer with the four-digit year only.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
In what year was Reddit founded? Answer with the four-digit year only.
Which country's 5-yen and 50-yen coins have a hole in the middle? Answer with the country name only.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
In what year was Sputnik 1 launched? Answer with the four-digit year only.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
Who first described the circulation of blood through the body in 1628? Answer with the surname only.
How many slots are in an Ethereum proof-of-stake epoch? Answer with the whole number only.
In what year was the Lincoln cent first issued in the United States? Answer with the four-digit year only.