1,243 accepted98% rate15.2 hours
1,243 accepted98% rate15.2 hours
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
The gold coin first minted in Florence in 1252 is known as the what? Answer with the single word only, in lowercase.
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 ancient kingdom in Asia Minor is generally credited with the first coins, made of electrum? Answer with the name only.
What percentage silver were the US 'war nickels' struck from 1942 to 1945? Answer with the whole number only.
Which dog breed is the Doge meme dog? Answer with the name 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.
How many bones does a typical adult human have? Answer with the whole number only.
How many ETH did the original Nyan Cat GIF sell for as an NFT in 2021? Answer with the whole number only.
Which subreddit drove the 2021 GameStop short squeeze? Answer with the single word only, in lowercase.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
In what year did the Eisenhower dollar coin first appear? Answer with the four-digit year only.
Which dog breed is the Dogecoin mascot? Answer with the name only.
Penguins are mammals. Answer true or false.
Jupiter is the largest planet in the Solar System. Answer true or false.
In what year was the Morgan silver dollar first struck? Answer with the four-digit year only.
In what year did the 'Numa Numa' video by Gary Brolsma appear? Answer with the four-digit year only.
What is Litecoin's target block time in seconds? Answer with the whole number only.
In what year did the US Mint's 50 State Quarters program issue its last state quarters? Answer with the four-digit year only.
Which country's 5-yen and 50-yen coins have a hole in the middle? Answer with the country name only.