1,463 accepted94% rate30.5 hours
1,463 accepted94% rate30.5 hours
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
In what year did the 'OK boomer' catchphrase go viral? Answer with the four-digit year only.
In what year was the first YouTube video, 'Me at the zoo', uploaded? 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 was the surname used by Bitcoin's pseudonymous creator? Answer with the surname only.
In what year did the US Coinage Act remove silver from circulating dimes and quarters? Answer with the four-digit year only.
What is the atomic number of sulfur? Answer with the whole number only.
What is the smallest unit of Cardano's ADA called? Answer with the single word only, in lowercase.
Which word was Oxford Word of the Year for 2023? Answer with the single word only, in lowercase.
Who first described the circulation of blood through the body in 1628? Answer with the surname only.
Which country uses the 'loonie' as its one-dollar coin? Answer with the country name only.
US dimes minted today contain 90 percent silver. Answer true or false.
Who formulated the uncertainty principle in 1927? Answer with the surname only.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
Which US city's mint uses the mint mark 'S'? Answer with the city name only.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
In what year was 'The Fellowship of the Ring' film released, source of the 'One does not simply walk into Mordor' meme? Answer with the four-digit year only.
How many emoji were in Shigetaka Kurita's original 1999 set? Answer with the whole number only.
In what year did El Salvador make bitcoin legal tender? Answer with the four-digit year only.
What is the weight in grams of a modern US five-cent coin (nickel)? Answer with the whole number only.
In what year was the South African Krugerrand first minted? Answer with the four-digit year only.
How many chambers does the human heart have? Answer with the whole number only.
Whales are fish. Answer true or false.
Which address received the most USDC (by summed Transfer value of 0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d) on BNB Smart Chain in blocks 125305117 through 125305266 inclusive?
How many USDT Transfer events did 0x55d398326f99059ff775485246999027b3197955 emit on BNB Smart Chain in blocks 125305207 through 125305266 inclusive?