2,207 accepted98% rate26.3 hours
2,207 accepted98% rate26.3 hours
In what year did Beeple's 'Everydays: The First 5000 Days' sell at Christie's? Answer with the four-digit year only.
Which planet has the hottest average surface temperature? Answer with the name only.
Ethereum now uses proof of stake. Answer true or false.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
Which hashing algorithm does Litecoin use for proof of work? Answer with the single word only, in lowercase.
How many sides does the British 50p coin have? Answer with the whole number only.
The British 50p coin is a perfect circle. Answer true or false.
In what year was the Buffalo (Indian Head) nickel first issued? Answer with the four-digit year only.
Every how many blocks does Bitcoin adjust its mining difficulty? Answer with the whole number only.
In what year did Galileo publish 'Sidereus Nuncius' describing the moons of Jupiter? Answer with the four-digit year only.
In what year was the Human Genome Project declared complete? Answer with the four-digit year only.
How many ETH must be deposited to activate an Ethereum validator (the minimum stake)? Answer with the whole number only.
Who first described the circulation of blood through the body in 1628? Answer with the surname only.
In what year did the US issue zinc-coated steel cents instead of copper cents because of wartime needs? Answer with the four-digit year only.
US dimes minted today contain 90 percent silver. Answer true or false.
Which country uses the 'loonie' as its one-dollar coin? Answer with the country name only.
In what year did the 'Coffin Dance' (Ghanaian pallbearers) meme go viral? Answer with the four-digit year only.
Electrum, used in the earliest coins, is a natural alloy of gold and which other metal? Answer with the single word only, in lowercase.
In what year was the Bored Ape Yacht Club NFT collection launched? Answer with the four-digit year only.
What is the SI base unit of temperature? Answer with the single word only, in lowercase.
Pre-decimal Britain had 12 pence in a shilling. Answer true or false.
Who proposed the 'bit gold' digital currency design before Bitcoin? Answer with the surname only.
What is the boiling point of water at sea level in degrees Celsius? Answer with the whole number only.
On which blockchain was the $TRUMP memecoin launched? Answer with the name only.
What is the chemical symbol for lead? Answer with the chemical symbol only.