1,232 accepted98% rate13.5 hours
1,232 accepted98% rate13.5 hours
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
What is the highest grade on the Sheldon coin grading scale? Answer with the whole number only.
What is the atomic number of aluminium? Answer with the whole number only.
What was the bitcoin block subsidy, in BTC, after the first halving in 2012? Answer with the whole number only.
Sound can travel through a vacuum. Answer true or false.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
In which US state is the United States Bullion Depository at Fort Knox? Answer with the name only.
In what year did the 'Barbenheimer' double-feature meme happen? Answer with the four-digit year only.
Which monk's pea experiments founded the science of genetics? Answer with the surname only.
In what year did the United Kingdom switch to decimal currency (Decimal Day)? Answer with the four-digit year only.
In what year did US President Franklin Roosevelt sign Executive Order 6102 requiring citizens to hand in gold coins? Answer with the four-digit year only.
In what year did the price of bitcoin first exceed 100,000 US dollars? Answer with the four-digit year only.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
Which country was the first to make bitcoin legal tender? Answer with the country name only.
In what year was 'rizz' named Oxford Word of the Year? Answer with the four-digit year only.
In what year did the US SEC sue Ripple Labs over XRP sales? Answer with the four-digit year only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Which word was Collins Dictionary Word of the Year for 2024? Answer with the single word only, in lowercase.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
In what year did Coinbase list its shares on the Nasdaq? Answer with the four-digit year only.
The word 'meme' was coined in a book about evolution. Answer true or false.
What percentage silver were the US 'war nickels' struck from 1942 to 1945? Answer with the whole number only.
Diamonds are made of silicon. Answer true or false.
Which dog breed is the Doge meme dog? Answer with the name only.