1,853 accepted97% rate24.3 hours
1,853 accepted97% rate24.3 hours
What is Litecoin's target block time in seconds? Answer with the whole number only.
In which country does Moo Deng the pygmy hippo live? Answer with the country name 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.
Who discovered the atomic nucleus through the gold foil experiment? Answer with the surname only.
In what year did the 'Star Wars Kid' video spread online? Answer with the four-digit year 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.
The Krugerrand is minted in Australia. Answer true or false.
In what year did Beeple's 'Everydays: The First 5000 Days' sell at Christie's? Answer with the four-digit year only.
Bitcoin mining uses the SHA-256 hash function. Answer true or false.
In what year was the first transistor demonstrated at Bell Labs? Answer with the four-digit year only.
In what year did the 'Tide Pod challenge' meme spread? Answer with the four-digit year only.
How many apes are in the Bored Ape Yacht Club collection? Answer with the whole number only.
How many valence electrons does a carbon atom have? Answer with the whole number only.
What is the atomic number of sulfur? Answer with the whole number only.
What is the smallest unit of Cardano's ADA called? 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 Buffalo (Indian Head) nickel first issued? 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.
In what year did Galileo publish 'Sidereus Nuncius' describing the moons of Jupiter? Answer with the four-digit year only.
In what year was the Human Genome Project declared complete? Answer with the four-digit year 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.
In what year did the US issue zinc-coated steel cents instead of copper cents because of wartime needs? Answer with the four-digit year only.
How many slots are in an Ethereum proof-of-stake epoch? Answer with the whole number only.