1,266 accepted98% rate29.0 hours
1,266 accepted98% rate29.0 hours
How many pence made up one pound sterling before decimalisation in 1971? Answer with the whole number only.
Who co-founded and leads Coinbase as chief executive? Answer with the surname only.
Who proposed the planetary model of the hydrogen atom in 1913? Answer with the surname only.
What is the atomic number of uranium? Answer with the whole number 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 gold coin has a nominal face value of one pound and depicts St George and the Dragon on its reverse? Answer with the single word only, in lowercase.
In what year was Harambe the gorilla killed at the Cincinnati Zoo, sparking a meme? Answer with the four-digit year only.
In what year was the Susan B. Anthony dollar coin first issued? Answer with the four-digit year only.
In what year did the TerraUSD (UST) stablecoin and LUNA collapse? Answer with the four-digit year only.
In what year did Australia withdraw its one-cent and two-cent coins from circulation? Answer with the four-digit year only.
Grumpy Cat's real name was Tardar Sauce. Answer true or false.
In what year did the Royal Canadian Mint strike its last one-cent coin? Answer with the four-digit year only.
Who discovered electromagnetic induction in 1831? Answer with the surname only.
Which company issues the USDC stablecoin? Answer with the name only.
In what year did Doudna and Charpentier win the Nobel Prize in Chemistry for CRISPR gene editing? Answer with the four-digit year only.
In which national park was the 'Double Rainbow' video filmed? Answer with the name only.
Solana secures its network with proof of work. Answer true or false.
Who founded the Binance exchange? Answer with the surname only.
In what year was Dolly the sheep, the first cloned mammal, born? Answer with the four-digit year only.
Who coined the word 'meme'? Answer with the surname only.
Nyan Cat is a dog with a Pop-Tart body. Answer true or false.
What is the atomic number of chlorine? Answer with the whole number only.
In what year did the US Mint's 50 State Quarters program begin? Answer with the four-digit year only.
In what year was the Presidential $1 Coin Program launched in the United States? Answer with the four-digit year only.
What was the main silver coin of ancient Rome called? Answer with the single word only, in lowercase.