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Who created the Silk Road marketplace? Answer with the surname only.
In what year was Rick Astley's 'Never Gonna Give You Up' released? Answer with the four-digit year only.
Who co-founded and leads Coinbase as chief executive? Answer with the surname only.
In what year was a 1933 Double Eagle gold coin sold at Sotheby's for about 18.9 million US dollars? Answer with the four-digit year only.
What was Grumpy Cat's real name? Answer with the name only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
Which YouTube co-founder uploaded the first YouTube video, 'Me at the zoo'? Answer with the surname only.
In what year was the 'This is fine' dog comic first published? Answer with the four-digit year only.
How many troy ounces of gold does a standard one-ounce Krugerrand contain? Answer with the whole number only.
Who discovered electromagnetic induction in 1831? Answer with the surname only.
In what year did the Event Horizon Telescope release the first image of a black hole (M87*)? Answer with the four-digit year only.
In what year was USD Coin (USDC) launched? Answer with the four-digit year only.
Which country is the comedy duo Ylvis, of 'What Does the Fox Say?', from? Answer with the country name only.
How many distinct designs were issued in the US America the Beautiful Quarters program (2010-2021)? Answer with the whole number only.
In what year was the Jefferson nickel first issued? Answer with the four-digit year only.
What animal appears on the classical Athenian silver tetradrachm? Answer with the single word only, in lowercase.
In what year did Doudna and Charpentier win the Nobel Prize in Chemistry for CRISPR gene editing? Answer with the four-digit year only.
In what year was the 'Double Rainbow' video posted to YouTube? Answer with the four-digit year only.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
Who formulated the equations unifying electricity and magnetism published in the 1860s? Answer with the surname only.
In what year was the James Webb Space Telescope launched? Answer with the four-digit year only.
How many bitcoins did Laszlo Hanyecz pay for two pizzas in 2010? Answer with the whole number only.
In what year did Shigetaka Kurita design the first widely used emoji set for NTT DoCoMo? Answer with the four-digit year only.
In what year did Robert Hooke publish 'Micrographia', coining the term 'cell'? Answer with the four-digit year only.
'Barbie' and 'Oppenheimer' opened in US cinemas on the same day. Answer true or false.