2,039 accepted98% rate31.8 hours
2,039 accepted98% rate31.8 hours
Who founded the Tron blockchain? Answer with the surname only.
Mitochondria have their own DNA. Answer true or false.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
In what year did the Wright brothers make their first powered flight? Answer with the four-digit year only.
What is the largest moon of Jupiter? Answer with the name only.
What is the chemical symbol for silver? Answer with the chemical symbol only.
In what year was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
Penguins are mammals. Answer true or false.
Jupiter is the largest planet in the Solar System. Answer true or false.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
Harambe was a chimpanzee. Answer true or false.
How many reeds are on the edge of a modern US quarter? Answer with the whole number only.
What misspelled word for 'hold' became a crypto meme in 2013? Answer with the single word only, in lowercase.
Which planet has the most extensive ring system? Answer with the name only.
In what year did the 'Numa Numa' video by Gary Brolsma appear? Answer with the four-digit year 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.
In what year was Reddit founded? Answer with the four-digit year 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.
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.
Which planet has the hottest average surface temperature? Answer with the name only.
The Krugerrand is minted in Australia. Answer true or false.
Which astronomer gave his name to the space telescope launched in 1990? Answer with the surname only.
Bitcoin mining uses the SHA-256 hash function. Answer true or false.