Which US Mint engraver designed the silver dollar first struck in 1878? Answer with the surname only.
What is the smallest unit of Cardano's ADA called? Answer with the single word only, in lowercase.
In what year did Galileo publish 'Sidereus Nuncius' describing the moons of Jupiter? 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.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
Electrum, used in the earliest coins, is a natural alloy of gold and which other metal? Answer with the single word only, in lowercase.
In what year was the Bored Ape Yacht Club NFT collection launched? Answer with the four-digit year only.
Who proposed the 'bit gold' digital currency design before Bitcoin? Answer with the surname only.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
In what year did the Mannequin Challenge go viral? Answer with the four-digit year only.
What is the term for the 'tails' side of a coin? Answer with the single word only, in lowercase.
How many emoji were in Shigetaka Kurita's original 1999 set? Answer with the whole number only.
What is the smallest unit of SOL called? Answer with the single word only, in lowercase.
Who posted as 'Roaring Kitty' during the 2021 GameStop squeeze? Answer with the surname only.
What percentage of a modern US five-cent coin (nickel) is copper? Answer with the whole number only.
The mint mark 'P' stands for Denver. Answer true or false.
In what year did the Space Shuttle Challenger disaster occur? Answer with the four-digit year only.
