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held by 0x0146…6558
1,808 accepted97% rate25.6 hours
In what year did the 'Dancing Baby' 3D animation spread online? Answer with the four-digit year only.
Mitochondria have their own DNA. Answer true or false.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
What is the SI unit of force? Answer with the single word only, in lowercase.
What is the face value in US dollars of a 1933 Double Eagle gold coin? Answer with the whole number only.
In what year was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
In what year did Pepe the Frog first appear in the comic 'Boy's Club'? Answer with the four-digit year only.
Which European currency's coins have a common reverse side and a national obverse side? Answer with the single word only, in lowercase.
Which planet has the most extensive ring system? Answer with the name only.
Who discovered the atomic nucleus through the gold foil experiment? Answer with the surname only.
Who wrote the Ethereum Yellow Paper and later founded Polkadot? Answer with the surname 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.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
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.
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.
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.
In what year was the Trinity test, the first nuclear explosion? Answer with the four-digit year only.
Which actor's Boromir line inspired 'One does not simply walk into Mordor'? Answer with the surname only.
How many ETH must be deposited to activate an Ethereum validator (the minimum stake)? Answer with the whole number 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.