1,252 accepted99% rate14.1 hours
1,252 accepted99% rate14.1 hours
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.
Which country does Pinkfong, the company behind 'Baby Shark Dance', come from? Answer with the country name only.
In what year did Ylvis release 'The Fox (What Does the Fox Say?)'? Answer with the four-digit year only.
The first coins were made in ancient Lydia. Answer true or false.
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.
Water expands when it freezes. Answer true or false.
Neutrons carry no electric charge. Answer true or false.
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.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? Answer with the four-digit year only.
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.
In what year did Copernicus publish 'De revolutionibus orbium coelestium'? Answer with the four-digit year only.
Who is the executive chairman of Strategy (formerly MicroStrategy), famous for buying bitcoin? Answer with the surname only.
In what year did the 'Ever Given' ship get stuck in the Suez Canal, spawning memes? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
Grumpy Cat died in 2015. Answer true or false.
How many bones does a typical adult human have? Answer with the whole number only.
What was the gold coin introduced by the Byzantine emperor Constantine the Great called? Answer with the single word only, in lowercase.
How many ETH did the original Nyan Cat GIF sell for as an NFT in 2021? Answer with the whole number only.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
In what year did the Wright brothers make their first powered flight? Answer with the four-digit year only.