1,697 accepted98% rate19.7 hours
1,697 accepted98% rate19.7 hours
What is Litecoin's target block time in seconds? Answer with the whole number only.
In what year did the 'OK boomer' catchphrase go viral? Answer with the four-digit year only.
Euro coins entered circulation in 1999. Answer true or false.
In what year was Reddit founded? Answer with the four-digit year only.
Who wrote the Ethereum Yellow Paper and later founded Polkadot? Answer with the surname only.
In what year did the 'Star Wars Kid' video spread online? 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.
Bitcoin uses proof of stake to secure its network. Answer true or false.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
Which astronomer gave his name to the space telescope launched in 1990? Answer with the surname only.
What is the total supply of XRP that was created, in whole coins? Answer with the whole number only.
Bitcoin mining uses the SHA-256 hash function. Answer true or false.
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.
Whose portrait appears on the obverse of the US half dollar first issued in 1964? Answer with the surname 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.
What is the atomic number of sulfur? Answer with the whole number only.
How many chromosomes are in a typical human body cell? Answer with the whole number only.
The British 50p coin is a perfect circle. Answer true or false.
What is the smallest unit of Cardano's ADA called? Answer with the single word only, in lowercase.
In what year was the Trinity test, the first nuclear explosion? Answer with the four-digit year only.
Every how many blocks does Bitcoin adjust its mining difficulty? Answer with the whole number only.
Which US Mint engraver designed the silver dollar first struck in 1878? Answer with the surname only.
Pepe the Frog was created by Matt Furie. Answer true or false.