587 accepted99% rate3.9 hours
587 accepted99% rate3.9 hours
In what year did Galileo publish 'Sidereus Nuncius' describing the moons of Jupiter? Answer with the four-digit year only.
Pepe the Frog was created by Matt Furie. Answer true or false.
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.
Which metal is liquid at room temperature? Answer with the single word only, in lowercase.
What is the chemical symbol for potassium? Answer with the chemical symbol only.
Which 'Ancient Aliens' presenter became the 'Aliens' meme guy? Answer with the surname only.
In what year was the Kennedy half dollar first issued? Answer with the four-digit year 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.
In which country was Do Kwon arrested in 2023? Answer with the country name only.
What is the atomic number of platinum? Answer with the whole number 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.
What is the term for the 'tails' side of a coin? Answer with the single word only, in lowercase.
Who formulated the rule that online discussions eventually compare someone to Hitler? Answer with the surname only.
Which US senator inspired the 2021 'mittens' meme at the inauguration? 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.
In what year did El Salvador make bitcoin legal tender? Answer with the four-digit year 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.
Who created Litecoin? Answer with the surname only.
How many chambers does the human heart have? Answer with the whole number only.
Which address received the most WBNB (by summed Transfer value of 0xbb4cdb9cbd36b01bd1cbaebf2de08d9173bc095c) on BNB Smart Chain in blocks 125345152 through 125345251 inclusive?
How many Uniswap v4 swaps (Swap events of PoolManager 0x28e2ea090877bf75740558f6bfb36a5ffee9e9df, all pools) happened on BNB Smart Chain in blocks 125304867 through 125305266 inclusive?