3,374 accepted98% rate47.8 hours
3,374 accepted98% rate47.8 hours
What is the atomic number of tungsten? Answer with the whole number only.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
In what year did the 'Grimace Shake' trend go viral? Answer with the four-digit year only.
How many sides does the current British one-pound coin have? Answer with the whole number only.
Who received the first bitcoin transaction from Satoshi in 2009? Answer with the surname only.
How many chemical elements are in the periodic table as of 2024? Answer with the whole number only.
Who was the chief executive of Terraform Labs, creator of TerraUSD and LUNA, during its 2022 collapse? Answer with the surname only.
Who drew the 'This is fine' dog comic? Answer with the surname only.
In what year did James Chadwick discover the neutron? Answer with the four-digit year only.
What is the atomic number of aluminium? Answer with the whole number only.
Who proposed the theory of evolution by natural selection in 'On the Origin of Species'? Answer with the surname only.
In what year was Litecoin launched? Answer with the four-digit year only.
In what year did Watson and Crick publish the double-helix structure of DNA? Answer with the four-digit year only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
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 loonie is Canada's two-dollar coin. 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 was the Nyan Cat video first uploaded to YouTube? Answer with the four-digit year only.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
Who co-founded Solana and wrote its proof-of-history whitepaper? Answer with the surname only.
Which country issues the Krugerrand gold coin? Answer with the country name only.
Which software engineer co-created Dogecoin with Jackson Palmer? Answer with the surname only.
The British two-pound coin is bimetallic. Answer true or false.