1,682 accepted95% rate28.6 hours
1,682 accepted95% rate28.6 hours
What is the atomic number of sodium? Answer with the whole number only.
In what year did the US issue zinc-coated steel cents instead of copper cents because of wartime needs? Answer with the four-digit year only.
US dimes minted today contain 90 percent silver. Answer true or false.
Which country uses the 'loonie' as its one-dollar coin? Answer with the country name only.
Which 'Ancient Aliens' presenter became the 'Aliens' meme guy? Answer with the surname only.
In what year was the Bored Ape Yacht Club NFT collection launched? Answer with the four-digit year only.
Who designed the first widely used emoji set in 1999? Answer with the surname only.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
Which planet is known as the Red Planet? Answer with the name only.
What is the maximum supply of bitcoin, in whole coins? Answer with the whole number only.
The Ethereum Merge happened in 2020. Answer true or false.
What is the atomic number of platinum? Answer with the whole number only.
In what year did New Horizons fly past Pluto? Answer with the four-digit year only.
What is the term for the 'tails' side of a coin? Answer with the single word only, in lowercase.
In what year did the US president sign an executive order creating a Strategic Bitcoin Reserve? Answer with the four-digit year only.
In what year did Scott Fahlman propose the :-) emoticon? 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.
What percentage of a modern US five-cent coin (nickel) is copper? Answer with the whole number only.
'Gangnam Style' was the first YouTube video to reach one billion views. Answer true or false.
Whales are fish. Answer true or false.
How many chambers does the human heart have? Answer with the whole number only.
Which address received the most USDC (by summed Transfer value of 0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d) on BNB Smart Chain in blocks 125305117 through 125305266 inclusive?
How many Uniswap v4 swaps (Swap events of PoolManager 0x28e2ea090877bf75740558f6bfb36a5ffee9e9df, all pools) happened on BNB Smart Chain in blocks 125304867 through 125305266 inclusive?
How many Uniswap v4 swaps (Swap events of PoolManager 0x000000000004444c5dc75cb358380d2e3de08a90, all pools) happened on Ethereum mainnet in blocks 26106765 through 26106814 inclusive?