1,949 accepted97% rate33.3 hours
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
Which 2015 Drake song's music video produced the 'Drakeposting' meme? Answer with the name only.
Who drew the 'This is fine' dog comic? Answer with the surname only.
In what year did James Chadwick discover the neutron? Answer with the four-digit year only.
In what year did Watson and Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
Who formulated the three laws of planetary motion? Answer with the surname only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number 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.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
In what year was the Vine app shut down? Answer with the four-digit year only.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
In what year did the US SEC sue Ripple Labs over XRP sales? Answer with the four-digit year only.
The Sacagawea dollar coin is gold in color. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Who sang 'Never Gonna Give You Up', the song used in rickrolling? Answer with the surname 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 Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
In what year did Bitcoin activate the Taproot upgrade? Answer with the four-digit year only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
In what year did Bitcoin Cash split from Bitcoin? Answer with the four-digit year only.
Who founded the Tron blockchain? Answer with the surname only.