Which US Mint engraver designed the silver dollar first struck in 1878? Answer with the surname 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 was the Trinity test, the first nuclear explosion? Answer with the four-digit year only.
Pepe the Frog was created by Matt Furie. Answer true or false.
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.
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.
Which 'Ancient Aliens' presenter became the 'Aliens' meme guy? Answer with the surname only.
In what year was the Bored Ape Yacht Club NFT collection launched? Answer with the four-digit year only.
What is the boiling point of water at sea level in degrees Celsius? Answer with the whole number only.
In what year was the Bitcoin genesis block mined? Answer with the four-digit year only.