In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
In what year did the US SEC sue Ripple Labs over XRP sales? Answer with the four-digit year only.
Water expands when it freezes. Answer true or false.
Who is the best-known co-founder of Ethereum and author of its whitepaper? Answer with the surname only.
How many shillings made up one pound sterling before decimalisation? Answer with the whole number only.
Who sang 'Never Gonna Give You Up', the song used in rickrolling? Answer with the surname only.
Which country is the 'Hide the Pain Harold' model, Andras Arato, from? Answer with the country name only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
In what year was the Coinage Act that established the United States Mint passed? Answer with the four-digit year only.
Which organelle is known as the powerhouse of the cell? Answer with the single word only, in lowercase.
In what year did Ethereum complete the Merge to proof of stake? Answer with the four-digit year only.
In what year was the $TRUMP memecoin launched? Answer with the four-digit year only.
Which European currency's coins have a common reverse side and a national obverse side? Answer with the single word only, in lowercase.
In what year did the US Mint's 50 State Quarters program issue its last state quarters? Answer with the four-digit year only.
Who wrote the Ethereum Yellow Paper and later founded Polkadot? Answer with the surname only.
Who discovered the atomic nucleus through the gold foil experiment? Answer with the surname only.
In what year was the first YouTube video, 'Me at the zoo', uploaded? Answer with the four-digit year only.
Which country's 5-yen and 50-yen coins have a hole in the middle? Answer with the country name only.
