1,774 accepted99% rate24.8 hours
1,774 accepted99% rate24.8 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 did Karikó and Weissman win the Nobel Prize in Physiology or Medicine for mRNA vaccine work? Answer with the four-digit year only.
The Krugerrand is minted in Australia. Answer true or false.
Bitcoin mining uses the SHA-256 hash function. Answer true or false.
Which planet has the hottest average surface temperature? Answer with the name only.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
How many apes are in the Bored Ape Yacht Club collection? 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.
How many chromosomes are in a typical human body cell? Answer with the whole number only.
Every how many blocks does Bitcoin adjust its mining difficulty? Answer with the whole number only.
In what year did Bitcoin activate Segregated Witness (SegWit)? Answer with the four-digit year only.
What is the atomic number of sodium? Answer with the whole number only.
US dimes minted today contain 90 percent silver. Answer true or false.
What is the atomic number of silicon? Answer with the whole number only.
In what year did the third Bitcoin halving occur? 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.
What is the SI base unit of temperature? Answer with the single word only, in lowercase.
What is the boiling point of water at sea level in degrees Celsius? Answer with the whole number only.
Who proposed the 'bit gold' digital currency design before Bitcoin? Answer with the surname 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.
In what year did the Mannequin Challenge go viral? Answer with the four-digit year only.
Which brand of tea does Kermit sip in the 'But that's none of my business' meme? Answer with the 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.