1,237 accepted99% rate14.2 hours
1,237 accepted99% rate14.2 hours
In what year was the Presidential $1 Coin Program launched in the United States? Answer with the four-digit year only.
Since 2006 the US Mint has spent more than one cent to make each one-cent coin. Answer true or false.
Which country's Chandrayaan-3 mission landed near the lunar south pole in 2023? Answer with the country name only.
In what year did the ALS Ice Bucket Challenge go viral? Answer with the four-digit year only.
What is the atomic number of lead? Answer with the whole number only.
The Bitcoin whitepaper was published under the name Satoshi Nakamoto. Answer true or false.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
How many satoshis are in one bitcoin? Answer with the whole number only.
In what year did Richard Dawkins coin the word 'meme' in 'The Selfish Gene'? Answer with the four-digit year only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
What is the highest grade on the Sheldon coin grading scale? Answer with the whole number only.
In what year was Litecoin launched? Answer with the four-digit year only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
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.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
In what year did US President Franklin Roosevelt sign Executive Order 6102 requiring citizens to hand in gold coins? Answer with the four-digit year only.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
Which monk's pea experiments founded the science of genetics? Answer with the surname 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.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
DNA has a double-helix structure. Answer true or false.
The animal in the 'Dramatic Chipmunk' video is actually a prairie dog. Answer true or false.