1,199 accepted98% rate17.9 hours
1,199 accepted98% rate17.9 hours
What is the highest grade on the Sheldon coin grading scale? Answer with the whole number only.
In what year was Litecoin launched? Answer with the four-digit year only.
The loonie is Canada's two-dollar coin. Answer true or false.
The British two-pound coin is bimetallic. Answer true or false.
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.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
How many shillings made up one pound sterling before decimalisation? Answer with the whole number only.
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.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
Which company is most associated with the XRP Ledger and the XRP token? Answer with the name only.
Which planet was discovered in 1846 by mathematical prediction? Answer with the name only.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
In what year did Ethereum activate the Pectra upgrade? 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.
In what year did Will Smith slap Chris Rock at the Oscars? Answer with the four-digit year only.
What is Litecoin's target block time in seconds? Answer with the whole number only.
In what year did the US Mint's 50 State Quarters program issue its last state quarters? Answer with the four-digit year only.
Which singer had the 2011 viral hit 'Friday'? Answer with the surname only.
Bitcoin uses proof of stake to secure its network. Answer true or false.
In what year did the 'Tide Pod challenge' meme spread? Answer with the four-digit year only.