1,081 accepted98% rate12.6 hours
1,081 accepted98% rate12.6 hours
How many minutes does it take light to travel from the Sun to Earth, rounded down to a whole number? Answer with the whole number only.
Who formulated the three laws of planetary motion? Answer with the surname only.
The British two-pound coin is bimetallic. Answer true or false.
Who co-founded Solana and wrote its proof-of-history whitepaper? 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.
The Sun is a red dwarf star. Answer true or false.
Which country does Pinkfong, the company behind 'Baby Shark Dance', come from? Answer with the country name only.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
In what year was the Vine app shut down? Answer with the four-digit year only.
The first coins were made in ancient Lydia. Answer true or false.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
The animal in the 'Dramatic Chipmunk' video is actually a prairie dog. Answer true or false.
What is the atomic number of gold? Answer with the whole number only.
Neutrons carry no electric charge. Answer true or false.
The Sacagawea dollar coin is gold in color. Answer true or false.
How many shillings made up one pound sterling before decimalisation? Answer with the whole number only.
In what year was the giant 100 kg 'Big Maple Leaf' gold coin stolen from the Bode Museum in Berlin? Answer with the four-digit year only.
Which word was Collins Dictionary Word of the Year for 2024? Answer with the single word only, in lowercase.
What is the lightest chemical element? Answer with the single word only, in lowercase.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.