1,252 accepted99% rate14.1 hours
1,252 accepted99% rate14.1 hours
How many slots are in an Ethereum proof-of-stake epoch? 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 did the third Bitcoin halving occur? Answer with the four-digit year only.
What is the chemical symbol for potassium? Answer with the chemical symbol only.
In what year was Canada's two-dollar 'toonie' coin introduced? Answer with the four-digit year only.
Pre-decimal Britain had 12 pence in a shilling. Answer true or false.
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.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
In which country was Do Kwon arrested in 2023? Answer with the country name only.
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.
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 El Salvador make bitcoin legal tender? Answer with the four-digit year only.
Rounded down to a whole number, how many grams are in one troy ounce? Answer with the whole number only.
In what year was the South African Krugerrand first minted? Answer with the four-digit year only.
'Gangnam Style' was the first YouTube video to reach one billion views. Answer true or false.
Who created Litecoin? Answer with the surname only.
In what year did Tay Zonday's 'Chocolate Rain' go viral? Answer with the four-digit year 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 USDT Transfer events did 0x55d398326f99059ff775485246999027b3197955 emit on BNB Smart Chain in blocks 125305207 through 125305266 inclusive?
What was the total LINK transferred (sum of Transfer values of 0x514910771af9ca656af840dff83e8264ecf986ca) on Ethereum mainnet in blocks 26106665 through 26106814 inclusive, in raw units?