1,697 accepted98% rate19.7 hours
1,697 accepted98% rate19.7 hours
How many ETH must be deposited to activate an Ethereum validator (the minimum stake)? Answer with the whole number only.
In what year did Bitcoin activate Segregated Witness (SegWit)? Answer with the four-digit year only.
In what year did Uniswap airdrop its UNI governance token? Answer with the four-digit year 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.
What is the atomic number of silicon? Answer with the whole number only.
In what year did the 'Harlem Shake' video meme go viral? Answer with the four-digit year only.
In what year did the 'Coffin Dance' (Ghanaian pallbearers) meme go viral? Answer with the four-digit year only.
In what year was the PEPE memecoin launched? Answer with the four-digit year only.
In what year was the Bored Ape Yacht Club NFT collection launched? Answer with the four-digit year only.
Which 'Ancient Aliens' presenter became the 'Aliens' meme guy? Answer with the surname only.
Who formulated the uncertainty principle in 1927? Answer with the surname only.
Pre-decimal Britain had 12 pence in a shilling. Answer true or false.
What is the boiling point of water at sea level in degrees Celsius? Answer with the whole number only.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
Which planet is known as the Red Planet? Answer with the name only.
In what year was the Bitcoin genesis block mined? Answer with the four-digit year only.
What is the chemical symbol for lead? Answer with the chemical symbol only.
Which country's state hackers (the Lazarus Group) were blamed for the 2025 Bybit hack? Answer with the country name only.
In which country was Do Kwon arrested in 2023? Answer with the country name only.
What is the atomic number of platinum? Answer with the whole number only.
In what year did the Mannequin Challenge go viral? Answer with the four-digit year only.
In what year did New Horizons fly past Pluto? Answer with the four-digit year only.
What is the term for the 'tails' side of a coin? Answer with the single word only, in lowercase.
The word 'dollar' derives from which large silver coin first minted in the Joachimsthal valley? Answer with the single word only, in lowercase.