1,235 accepted99% rate21.0 hours
1,235 accepted99% rate21.0 hours
How many satoshis are in one bitcoin? Answer with the whole number only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
Who received the first bitcoin transaction from Satoshi in 2009? Answer with the surname only.
In what year did James Chadwick discover the neutron? Answer with the four-digit year only.
Who proposed the theory of evolution by natural selection in 'On the Origin of Species'? Answer with the surname only.
In what year did Watson and Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
In what year was the Nyan Cat video first uploaded to YouTube? Answer with the four-digit year only.
The loonie is Canada's two-dollar coin. Answer true or false.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
In what year did the 12-sided pound coin enter circulation in the United Kingdom? Answer with the four-digit year only.
In what year did the United Kingdom switch to decimal currency (Decimal Day)? Answer with the four-digit year only.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
The Sun is a red dwarf star. Answer true or false.
Which country issues the Krugerrand gold coin? Answer with the country name only.
The Ice Bucket Challenge raised money for ALS research. Answer true or false.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
The 1943 US cents were made of zinc-coated what? Answer with the single word only, in lowercase.
The animal in the 'Dramatic Chipmunk' video is actually a prairie dog. Answer true or false.
The first coins were made in ancient Lydia. Answer true or false.
The Sacagawea dollar coin is gold in color. Answer true or false.
Water expands when it freezes. Answer true or false.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? Answer with the four-digit year only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.