1,265 accepted97% rate18.0 hours
1,265 accepted97% rate18.0 hours
Which country's 5-yen and 50-yen coins have a hole in the middle? Answer with the country name only.
In what year was the Shiba Inu (SHIB) token launched? Answer with the four-digit year only.
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 did the US Coinage Act remove silver from circulating dimes and quarters? Answer with the four-digit year only.
How many valence electrons does a carbon atom have? Answer with the whole number only.
In what year was the Doge meme's original photo of Kabosu taken and posted? Answer with the four-digit year only.
Who first described the circulation of blood through the body in 1628? Answer with the surname only.
What is the atomic number of silicon? Answer with the whole number only.
In what year did the 'Coffin Dance' (Ghanaian pallbearers) meme go viral? Answer with the four-digit year only.
In what year was the Lincoln cent first issued in the United States? Answer with the four-digit year only.
In what year was Canada's two-dollar 'toonie' coin introduced? Answer with the four-digit year only.
Whose portrait appears on the obverse of the US five-cent coin? Answer with the surname only.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
In what year did Ross Ulbricht receive a presidential pardon? Answer with the four-digit year only.
The Ethereum Merge happened in 2020. Answer true or false.
In what year was the Sacagawea dollar coin first issued? Answer with the four-digit year 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.
Who posted as 'Roaring Kitty' during the 2021 GameStop squeeze? Answer with the surname only.
What is the weight in grams of a modern US five-cent coin (nickel)? Answer with the whole number only.
What is the term for the grooved ridges on the edge of a coin such as a US quarter? Answer with the single word only, in lowercase.
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 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48) on Ethereum mainnet in blocks 26105968 through 26105992 inclusive?
How many Uniswap v4 swaps (Swap events of PoolManager 0x28e2ea090877bf75740558f6bfb36a5ffee9e9df, all pools) happened on BNB Smart Chain in blocks 125344852 through 125345251 inclusive?