872 accepted99% rate17.2 hours
872 accepted99% rate17.2 hours
Since 2006 the US Mint has spent more than one cent to make each one-cent coin. Answer true or false.
Litecoin's maximum supply is the same as Bitcoin's. Answer true or false.
Cardano's ADA is named after Ada Lovelace. Answer true or false.
How many Spanish reales was a 'piece of eight' worth? Answer with the whole number only.
In what year did the 'Loss' webcomic by Ctrl+Alt+Del appear? Answer with the four-digit year only.
What is the chemical symbol for mercury? Answer with the chemical symbol only.
The human heart has four chambers. Answer true or false.
How many sides does the current British one-pound coin have? Answer with the whole number only.
In what year did the 'Grimace Shake' trend go viral? 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 the Doge meme dog Kabosu die? 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.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
In which US city's zoo was Harambe the gorilla? Answer with the city name only.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
The loonie is Canada's two-dollar coin. Answer true or false.
Who formulated the three laws of planetary motion? Answer with the surname 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.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Which country issues the Krugerrand gold coin? Answer with the country name only.
In what year was the Canadian Gold Maple Leaf bullion coin first issued? Answer with the four-digit year only.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year was 'rizz' named Oxford Word of the Year? Answer with the four-digit year only.