1,486 accepted99% rate17.2 hours
1,486 accepted99% rate17.2 hours
Who proposed the theory of evolution by natural selection in 'On the Origin of Species'? Answer with the surname only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
In what year was the Nyan Cat video first uploaded to YouTube? Answer with the four-digit year only.
The loonie is Canada's two-dollar coin. Answer true or false.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
Who formulated the three laws of planetary motion? Answer with the surname only.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Which country issues the Krugerrand gold coin? Answer with the country name only.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
In what year was the Vine app shut down? Answer with the four-digit year only.
In what year was 'rizz' named Oxford Word of the Year? Answer with the four-digit year only.
The first coins were made in ancient Lydia. Answer true or false.
In what year did the US SEC sue Ripple Labs over XRP sales? Answer with the four-digit year only.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
The Sacagawea dollar coin is gold in color. Answer true or false.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
What is the lightest chemical element? Answer with the single word only, in lowercase.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
Which organelle is known as the powerhouse of the cell? Answer with the single word only, in lowercase.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.