1,114 accepted98% rate18.3 hours
1,114 accepted98% rate18.3 hours
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.
In which US state is the United States Bullion Depository at Fort Knox? Answer with the name only.
Which monk's pea experiments founded the science of genetics? Answer with the surname only.
The Sun is a red dwarf star. Answer true or false.
DNA has a double-helix structure. Answer true or false.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Neutrons carry no electric charge. Answer true or false.
In what year did Coinbase list its shares on the Nasdaq? 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.
The word 'meme' was coined in a book about evolution. Answer true or false.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
How many bones does a typical adult human have? Answer with the whole number only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
Harambe was a chimpanzee. Answer true or false.
What is Litecoin's target block time in seconds? Answer with the whole number only.
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.
The Krugerrand is minted in Australia. Answer true or false.
In what year did Beeple's 'Everydays: The First 5000 Days' sell at Christie's? 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.
What is the atomic number of sulfur? Answer with the whole number only.