1,079 accepted98% rate30.0 hours
1,079 accepted98% rate30.0 hours
In what year was the Bitcoin whitepaper published? Answer with the four-digit year only.
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 the 'Grimace Shake' trend go viral? Answer with the four-digit year only.
Who received the first bitcoin transaction from Satoshi in 2009? Answer with the surname only.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number 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.
Which country issues the Maple Leaf bullion coins? 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.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
How many shillings was the British guinea fixed at from 1717? Answer with the whole number only.
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.
How many ETH did the original Nyan Cat GIF sell for as an NFT in 2021? Answer with the whole number only.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
What is the SI base unit of electric current? Answer with the single word only, in lowercase.
What is the term for the 'heads' side of a coin? Answer with the single word only, in lowercase.
What is the atomic number of sulfur? Answer with the whole number only.
Which country uses the 'loonie' as its one-dollar coin? Answer with the country name only.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
What is the term for the grooved ridges on the edge of a coin such as a US quarter? Answer with the single word only, in lowercase.