1,907 accepted98% rate24.6 hours
1,907 accepted98% rate24.6 hours
Which planet has the hottest average surface temperature? Answer with the name only.
Ethereum now uses proof of stake. Answer true or false.
Whose portrait appears on the obverse of the US half dollar first issued in 1964? Answer with the surname only.
What is the atomic number of sulfur? Answer with the whole number only.
What is the smallest unit of Cardano's ADA called? Answer with the single word only, in lowercase.
The British 50p coin is a perfect circle. Answer true or false.
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 Trinity test, the first nuclear explosion? 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.
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.
What is the atomic number of silicon? Answer with the whole number only.
Which country uses the 'loonie' as its one-dollar coin? Answer with the country name only.
In what year was the PEPE memecoin launched? 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.
Who designed the first widely used emoji set in 1999? Answer with the surname only.
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.
Which planet is known as the Red Planet? Answer with the name only.
What is the chemical symbol for lead? Answer with the chemical symbol only.
Whose portrait appears on the obverse of the US five-cent coin? Answer with the surname only.
What is the atomic number of zinc? Answer with the whole number only.
In what year did Max Planck introduce the quantum of action? Answer with the four-digit year only.
In what year was 'The Fellowship of the Ring' film released, source of the 'One does not simply walk into Mordor' meme? Answer with the four-digit year only.