1,249 accepted98% rate17.9 hours
1,249 accepted98% rate17.9 hours
In what year was the Presidential $1 Coin Program launched in the United States? Answer with the four-digit year only.
Litecoin's maximum supply is the same as Bitcoin's. Answer true or false.
What was the main silver coin of ancient Rome called? Answer with the single word only, in lowercase.
What is the atomic number of tungsten? Answer with the whole number only.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
What is the highest grade on the Sheldon coin grading scale? Answer with the whole number only.
Which monk's pea experiments founded the science of genetics? 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.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
Neutrons carry no electric charge. Answer true or false.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
In what year did the 'Ever Given' ship get stuck in the Suez Canal, spawning memes? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
What was the gold coin introduced by the Byzantine emperor Constantine the Great called? Answer with the single word only, in lowercase.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
What is the chemical symbol for silver? Answer with the chemical symbol only.
In what year was the Morgan silver dollar first struck? Answer with the four-digit year only.