1,697 accepted98% rate19.7 hours
1,697 accepted98% rate19.7 hours
The Ice Bucket Challenge raised money for ALS research. Answer true or false.
Which country issues the Maple Leaf bullion coins? 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.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
The first coins were made in ancient Lydia. Answer true or false.
What is the atomic number of gold? Answer with the whole number only.
The gold coin first minted in Florence in 1252 is known as the what? Answer with the single word only, in lowercase.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
The Sacagawea dollar coin is gold in color. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Which word was Collins Dictionary Word of the Year for 2024? Answer with the single word only, in lowercase.
Which country is the 'Hide the Pain Harold' model, Andras Arato, from? Answer with the country name only.
Who sang 'Never Gonna Give You Up', the song used in rickrolling? Answer with the surname 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.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
The word 'meme' was coined in a book about evolution. Answer true or false.
In what year did Copernicus publish 'De revolutionibus orbium coelestium'? Answer with the four-digit year only.
Which dog breed is the Doge meme dog? Answer with the name only.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
Who is the executive chairman of Strategy (formerly MicroStrategy), famous for buying bitcoin? Answer with the surname only.