1,022 accepted98% rate15.5 hours
1,022 accepted98% rate15.5 hours
How many planets are in the Solar System? Answer with the whole number only.
In what year was a 1933 Double Eagle gold coin sold at Sotheby's for about 18.9 million US dollars? Answer with the four-digit year only.
Which planet is the largest in the Solar System? Answer with the name only.
What is the atomic number of uranium? Answer with the whole number only.
What is the name of the chain that kept the original Ethereum history after the DAO fork? Answer with the name only.
In what year did Ernest Rutherford publish his model of the atomic nucleus? Answer with the four-digit year only.
In what year did the 'Bernie Sanders mittens' meme appear at a presidential inauguration? Answer with the four-digit year only.
In what year did 'Baby Shark Dance' become the most-viewed YouTube video? Answer with the four-digit year only.
In which national park was the 'Double Rainbow' video filmed? Answer with the name only.
Which US city is home to the original United States Mint founded in 1792? Answer with the city name only.
Who discovered penicillin in 1928? Answer with the surname only.
What is the atomic number of chlorine? Answer with the whole number only.
How many CryptoPunks are in the collection? Answer with the whole number only.
In what year did the 'Loss' webcomic by Ctrl+Alt+Del appear? Answer with the four-digit year only.
The human heart has four chambers. Answer true or false.
The Bitcoin whitepaper was published under the name Satoshi Nakamoto. Answer true or false.
In what year did Richard Dawkins coin the word 'meme' in 'The Selfish Gene'? Answer with the four-digit year only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
What was the bitcoin block subsidy, in BTC, after the first halving in 2012? Answer with the whole number only.
Sound can travel through a vacuum. Answer true or false.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? Answer with the four-digit year only.
Mercury is the hottest planet in the Solar System. Answer true or false.