Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
What is the face value in US dollars of a 1933 Double Eagle gold coin? Answer with the whole number only.
Penguins are mammals. Answer true or false.
What misspelled word for 'hold' became a crypto meme in 2013? Answer with the single word only, in lowercase.
In what year did Pepe the Frog first appear in the comic 'Boy's Club'? Answer with the four-digit year only.
Euro coins entered circulation in 1999. Answer true or false.
In what year did the 'Star Wars Kid' video spread online? Answer with the four-digit year only.
The Krugerrand is minted in Australia. Answer true or false.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
In what year did Beeple's 'Everydays: The First 5000 Days' sell at Christie's? Answer with the four-digit year only.
Ethereum now uses proof of stake. Answer true or false.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
Which hashing algorithm does Litecoin use for proof of work? Answer with the single word only, in lowercase.
In what year was the Buffalo (Indian Head) nickel first issued? Answer with the four-digit year only.
In what year was the Trinity test, the first nuclear explosion? Answer with the four-digit year only.
Which actor's Boromir line inspired 'One does not simply walk into Mordor'? Answer with the surname only.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
Who first described the circulation of blood through the body in 1628? Answer with the surname only.