2,047 accepted98% rate28.7 hours
2,047 accepted98% rate28.7 hours
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
What is the SI unit of force? Answer with the single word only, in lowercase.
In what year did the Eisenhower dollar coin first appear? Answer with the four-digit year only.
What is the chemical symbol for silver? Answer with the chemical symbol only.
What is the largest moon of Jupiter? Answer with the name 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.
Who named oxygen and is called the father of modern chemistry? Answer with the surname 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.
Which singer had the 2011 viral hit 'Friday'? Answer with the surname only.
Bitcoin uses proof of stake to secure its network. Answer true or false.
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 was the surname used by Bitcoin's pseudonymous creator? Answer with the surname only.
In what year did the 'Tide Pod challenge' meme spread? Answer with the four-digit year only.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
How many valence electrons does a carbon atom have? Answer with the whole number only.
How many sides does the British 50p coin have? Answer with the whole number only.
How many chromosomes are in a typical human body cell? Answer with the whole number only.
What is the ticker symbol of Chainlink's token? Answer with the ticker symbol only, in uppercase.
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.