1,347 accepted99% rate23.0 hours
1,347 accepted99% rate23.0 hours
What is the chemical symbol for silver? Answer with the chemical symbol only.
In what year did Dmitri Mendeleev publish his periodic table? Answer with the four-digit year only.
Jupiter is the largest planet in the Solar System. Answer true or false.
Harambe was a chimpanzee. Answer true or false.
In what year did Pepe the Frog first appear in the comic 'Boy's Club'? Answer with the four-digit year only.
Which planet has the most extensive ring system? Answer with the name only.
What is Litecoin's target block time in seconds? Answer with the whole number only.
Who wrote the Ethereum Yellow Paper and later founded Polkadot? Answer with the surname only.
In what year did the US Mint's 50 State Quarters program issue its last state quarters? Answer with the four-digit year only.
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.
In what year was the Shiba Inu (SHIB) token launched? Answer with the four-digit year only.
What is the total supply of XRP that was created, in whole coins? Answer with the whole number only.
Which planet has the hottest average surface temperature? Answer with the name only.
In what year was the first transistor demonstrated at Bell Labs? Answer with the four-digit year only.
How many apes are in the Bored Ape Yacht Club collection? Answer with the whole number only.
Which hashing algorithm does Litecoin use for proof of work? Answer with the single word only, in lowercase.
How many chromosomes are in a typical human body cell? Answer with the whole number only.
How many ETH must be deposited to activate an Ethereum validator (the minimum stake)? Answer with the whole number only.
In what year did Bitcoin activate Segregated Witness (SegWit)? Answer with the four-digit year only.
In what year did the 'Harlem Shake' video meme go viral? Answer with the four-digit year only.
US dimes minted today contain 90 percent silver. Answer true or false.
How many euro coin denominations are there? Answer with the whole number only.
In what year was the Lincoln cent first issued in the United States? Answer with the four-digit year only.
Which 'Ancient Aliens' presenter became the 'Aliens' meme guy? Answer with the surname only.