625 accepted99% rate11.8 hours
625 accepted99% rate11.8 hours
How many old pence made up one shilling? Answer with the whole number only.
Rick Astley's 'Never Gonna Give You Up' was released in 1997. Answer true or false.
How many wei are in one ether? Answer with the whole number 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 is the name of the chain that kept the original Ethereum history after the DAO fork? Answer with the name only.
Which British newspaper's headline is embedded in the Bitcoin genesis block? Answer with the name only.
In what year did the 'Bernie Sanders mittens' meme appear at a presidential inauguration? Answer with the four-digit year only.
Grumpy Cat's real name was Tardar Sauce. Answer true or false.
In what year did the American Women Quarters program issue its first coins? Answer with the four-digit year only.
In which country did the Doge dog Kabosu live? Answer with the country name only.
In what year did Donald Trump tweet the word 'covfefe'? 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.
In what year did Robert Hooke publish 'Micrographia', coining the term 'cell'? Answer with the four-digit year only.
What is the chemical symbol for tungsten? Answer with the chemical symbol only.
What is the atomic number of chlorine? Answer with the whole number only.
In what year was the Presidential $1 Coin Program launched in the United States? Answer with the four-digit year only.
Humans have 48 chromosomes in a typical body cell. Answer true or false.
What is the atomic number of tungsten? Answer with the whole number only.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
In what year was Litecoin launched? Answer with the four-digit year only.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.