518 accepted99% rate6.6 hours
518 accepted99% rate6.6 hours
Which dog breed is the Dogecoin mascot? Answer with the name only.
Penguins are mammals. Answer true or false.
Tether (USDT) is pegged to the euro. Answer true or false.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
In what year did the 'OK boomer' catchphrase go viral? Answer with the four-digit year only.
What was the name of the Shiba Inu dog in the original Doge meme? Answer with the name only.
What is the total supply of XRP that was created, in whole coins? Answer with the whole number only.
Bitcoin mining uses the SHA-256 hash function. Answer true or false.
In what year did the 'Tide Pod challenge' meme spread? Answer with the four-digit year only.
How many valence electrons does a carbon atom have? Answer with the whole number only.
What is the smallest unit of Cardano's ADA called? Answer with the single word only, in lowercase.
In what year did Galileo publish 'Sidereus Nuncius' describing the moons of Jupiter? 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 Canada's two-dollar 'toonie' coin introduced? Answer with the four-digit year only.
In what year was the Kennedy half dollar first issued? Answer with the four-digit year only.
The Doge meme dog is a Shiba Inu. 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.
What is the atomic number of platinum? 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.
Which US senator inspired the 2021 'mittens' meme at the inauguration? Answer with the surname only.
Which former US mint city used the mint mark 'CC'? Answer with the city name only.