744 accepted98% rate10.7 hours
744 accepted98% rate10.7 hours
In what year did the Eisenhower dollar coin first appear? Answer with the four-digit year only.
What is the largest moon of Jupiter? Answer with the name only.
Jupiter is the largest planet in the Solar System. Answer true or false.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
Euro coins entered circulation in 1999. Answer true or false.
In what year was the first YouTube video, 'Me at the zoo', uploaded? Answer with the four-digit year only.
Bitcoin uses proof of stake to secure its network. Answer true or false.
The Krugerrand is minted in Australia. Answer true or false.
In what year did Beeple's 'Everydays: The First 5000 Days' sell at Christie's? Answer with the four-digit year only.
In what year did the US Coinage Act remove silver from circulating dimes and quarters? Answer with the four-digit year only.
How many sides does the British 50p coin have? Answer with the whole number only.
What is the ticker symbol of Chainlink's token? Answer with the ticker symbol only, in uppercase.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
US dimes minted today contain 90 percent silver. Answer true or false.
What is the chemical symbol for potassium? Answer with the chemical symbol only.
Pre-decimal Britain had 12 pence in a shilling. Answer true or false.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
In what year was the Sacagawea dollar coin first issued? Answer with the four-digit year only.
In what year did the US president sign an executive order creating a Strategic Bitcoin Reserve? Answer with the four-digit year only.
Rounded down to a whole number, how many grams are in one troy ounce? Answer with the whole number only.
The mint mark 'P' stands for Denver. Answer true or false.
Whales are fish. Answer true or false.