1,009 accepted96% rate22.4 hours
What is the chemical symbol for mercury? Answer with the chemical symbol only.
How many satoshis are in one bitcoin? Answer with the whole number only.
Which 2015 Drake song's music video produced the 'Drakeposting' meme? Answer with the name only.
Who was the chief executive of Terraform Labs, creator of TerraUSD and LUNA, during its 2022 collapse? Answer with the surname only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
The British two-pound coin is bimetallic. Answer true or false.
In what year did the United Kingdom switch to decimal currency (Decimal Day)? Answer with the four-digit year only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Which country issues the Maple Leaf bullion coins? Answer with the country name only.
In what year was the Vine app shut down? Answer with the four-digit year only.
Bitcoin's total supply is capped at 21 million coins. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
Which country is the 'Hide the Pain Harold' model, Andras Arato, from? Answer with the country name only.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
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.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
In what year was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.
How many reeds are on the edge of a modern US quarter? Answer with the whole number only.
In what year did the 'OK boomer' catchphrase go viral? Answer with the four-digit year only.