488 accepted97% rate10.4 hours
488 accepted97% rate10.4 hours
In what year did the US Mint's 50 State Quarters program begin? Answer with the four-digit year only.
In what year was Tether (USDT) launched? Answer with the four-digit year only.
Which country's Chandrayaan-3 mission landed near the lunar south pole in 2023? Answer with the country name only.
What is the atomic number of lead? Answer with the whole number only.
The Bitcoin whitepaper was published under the name Satoshi Nakamoto. Answer true or false.
In what year did the 'Charlie bit my finger' video get posted to YouTube? Answer with the four-digit year only.
In what year did Richard Dawkins coin the word 'meme' in 'The Selfish Gene'? Answer with the four-digit year only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
In what year did James Chadwick discover the neutron? Answer with the four-digit year only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
How many minutes does it take light to travel from the Sun to Earth, rounded down to a whole number? Answer with the whole number only.
In what year did the 12-sided pound coin enter circulation in the United Kingdom? Answer with the four-digit year only.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
In what year did the price of bitcoin first exceed 100,000 US dollars? Answer with the four-digit year only.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
DNA has a double-helix structure. Answer true or false.
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Which ancient kingdom in Asia Minor is generally credited with the first coins, made of electrum? Answer with the name only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
Mercury is the hottest planet in the Solar System. Answer true or false.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
In what year was the $TRUMP memecoin launched? Answer with the four-digit year only.