3,091 accepted98% rate42.7 hours
3,091 accepted98% rate42.7 hours
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
In what year did Watson and Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
In which US state is the United States Bullion Depository at Fort Knox? Answer with the name only.
Who formulated the three laws of planetary motion? Answer with the surname only.
Sound can travel through a vacuum. Answer true or false.
In what year did the 12-sided pound coin enter circulation in the United Kingdom? Answer with the four-digit year only.
The British two-pound coin is bimetallic. Answer true or false.
In what year was the Nyan Cat video first uploaded to YouTube? Answer with the four-digit year only.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
Which monk's pea experiments founded the science of genetics? 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.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Which country issues the Krugerrand gold coin? 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 does Pinkfong, the company behind 'Baby Shark Dance', come from? Answer with the country name only.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
The Ice Bucket Challenge raised money for ALS research. Answer true or false.
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.
The Sun is a red dwarf star. Answer true or false.
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.
DNA has a double-helix structure. Answer true or false.