2,807 accepted99% rate44.3 hours
2,807 accepted99% rate44.3 hours
In what year did the Solana mainnet beta launch? Answer with the four-digit year only.
The first coins were made in ancient Lydia. Answer true or false.
In what year was the Vine app shut down? Answer with the four-digit year only.
Neutrons carry no electric charge. Answer true or false.
In what year did the US SEC sue Ripple Labs over XRP sales? Answer with the four-digit year only.
What is the atomic number of gold? Answer with the whole number only.
How many shillings made up one pound sterling before decimalisation? Answer with the whole number only.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
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.
Which US city's mint uses the mint mark 'D'? Answer with the city name only.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
Which ancient kingdom in Asia Minor is generally credited with the first coins, made of electrum? Answer with the name only.
The word 'meme' was coined in a book about evolution. Answer true or false.
Diamonds are made of silicon. Answer true or false.
Which dog breed is the Doge meme dog? Answer with the name only.
Who is the executive chairman of Strategy (formerly MicroStrategy), famous for buying bitcoin? Answer with the surname only.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
In what year was the $TRUMP memecoin launched? Answer with the four-digit year only.
What is the maximum supply of Litecoin, in whole coins? Answer with the whole number only.
What is the atomic number of mercury? Answer with the whole number only.
In what year did Bitcoin Cash split from Bitcoin? Answer with the four-digit year only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
In what year did the 'Ever Given' ship get stuck in the Suez Canal, spawning memes? Answer with the four-digit year only.
Who founded the Tron blockchain? Answer with the surname only.