1,662 accepted97% rate24.0 hours
1,662 accepted97% rate24.0 hours
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
What is the highest grade on the Sheldon coin grading scale? Answer with the whole number only.
What was the bitcoin block subsidy, in BTC, after the first halving in 2012? Answer with the whole number only.
Sound can travel through a vacuum. Answer true or false.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
Who formulated the three laws of planetary motion? Answer with the surname only.
Which monk's pea experiments founded the science of genetics? Answer with the surname only.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
Which country issues the Krugerrand gold coin? Answer with the country name only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
Whose portrait appears on the obverse of the US quarter? Answer with the surname only.
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.
The gold coin first minted in Florence in 1252 is known as the what? Answer with the single word only, in lowercase.
Water expands when it freezes. Answer true or false.
Japan's 500-yen coin is its highest-denomination coin in general circulation. Answer true or false.
How many shillings made up one pound sterling before decimalisation? Answer with the whole number only.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? 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.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
Who is the executive chairman of Strategy (formerly MicroStrategy), famous for buying bitcoin? Answer with the surname only.
What is the atomic number of mercury? Answer with the whole number only.
In what year did Bitcoin activate the Taproot upgrade? Answer with the four-digit year only.
What was the gold coin introduced by the Byzantine emperor Constantine the Great called? Answer with the single word only, in lowercase.