1,186 accepted99% rate18.2 hours
1,186 accepted99% rate18.2 hours
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
In what year did Bitcoin activate Segregated Witness (SegWit)? Answer with the four-digit year 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.
In what year was the Lincoln cent first issued in the United States? Answer with the four-digit year only.
In what year was the Bored Ape Yacht Club NFT collection launched? Answer with the four-digit year only.
What is the SI base unit of temperature? Answer with the single word only, in lowercase.
Who designed the first widely used emoji set in 1999? Answer with the surname only.
What is the boiling point of water at sea level in degrees Celsius? Answer with the whole number only.
On which blockchain was the $TRUMP memecoin launched? Answer with the name only.
What is the chemical symbol for lead? Answer with the chemical symbol only.
The Ethereum Merge happened in 2020. Answer true or false.
Which US city's mint uses the mint mark 'S'? Answer with the city name only.
In what year did New Horizons fly past Pluto? Answer with the four-digit year only.
In what year did the US president sign an executive order creating a Strategic Bitcoin Reserve? Answer with the four-digit year only.
Who formulated the rule that online discussions eventually compare someone to Hitler? Answer with the surname only.
What is the smallest unit of SOL called? Answer with the single word only, in lowercase.
What is the weight in grams of a modern US five-cent coin (nickel)? Answer with the whole number only.
Which former US mint city used the mint mark 'CC'? Answer with the city name 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.
What is the atomic number of nitrogen? Answer with the whole number only.
In what year did the Space Shuttle Challenger disaster occur? Answer with the four-digit year only.
How many Uniswap v4 swaps (Swap events of PoolManager 0x8366a39cc670b4001a1121b8f6a443a643e40951, all pools) happened on Robinhood Chain in blocks 78492170 through 78494169 inclusive?
How many times was ETH wrapped into WETH (Deposit events of 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2) on Ethereum mainnet in blocks 26104796 through 26105095 inclusive?