How many reeds are on the edge of a modern US quarter? Answer with the whole number only.
Who discovered the atomic nucleus through the gold foil experiment? Answer with the surname only.
Ethereum now uses proof of stake. Answer true or false.
In what year was the American Silver Eagle bullion coin first issued? Answer with the four-digit year only.
In what year was the Human Genome Project declared complete? 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 third Bitcoin halving occur? Answer with the four-digit year only.
In what year was Canada's two-dollar 'toonie' coin introduced? Answer with the four-digit year only.
In what year was the Saint-Gaudens double eagle gold coin first struck? Answer with the four-digit year only.
What is the maximum supply of bitcoin, in whole coins? Answer with the whole number only.
In what year did Max Planck introduce the quantum of action? Answer with the four-digit year only.
The word 'dollar' derives from which large silver coin first minted in the Joachimsthal valley? Answer with the single word only, in lowercase.
In what year did El Salvador make bitcoin legal tender? Answer with the four-digit year only.
The mint mark 'P' stands for Denver. Answer true or false.
