1,518 accepted98% rate15.9 hours
1,518 accepted98% rate15.9 hours
Which organelle is known as the powerhouse of the cell? Answer with the single word only, in lowercase.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
What is the atomic number of mercury? Answer with the whole number only.
What is the maximum supply of Litecoin, in whole coins? Answer with the whole number only.
Most 1943 US one-cent coins were made of zinc-coated steel. Answer true or false.
In what year did Bitcoin activate the Taproot upgrade? Answer with the four-digit year only.
What is the name of the elliptic curve Bitcoin uses for its signatures? Answer with the single word only, in lowercase.
Which company is most associated with the XRP Ledger and the XRP token? Answer with the name only.
How many bones does a typical adult human have? Answer with the whole number only.
What was the gold coin introduced by the Byzantine emperor Constantine the Great called? Answer with the single word only, in lowercase.
In what year did the Fukushima Daiichi nuclear disaster occur? Answer with the four-digit year only.
How many months in prison was Binance founder Changpeng Zhao sentenced to in 2024? Answer with the whole number only.
Who founded the Tron blockchain? Answer with the surname only.
In what year did the 'Dancing Baby' 3D animation spread online? Answer with the four-digit year only.
Mitochondria have their own DNA. Answer true or false.
In what year was the Roosevelt dime first issued? Answer with the four-digit year only.
Traditional Chinese cash coins have a hole of what shape in the middle? Answer with the single word only, in lowercase.
From which video game does the phrase 'All your base are belong to us' come? Answer with the name only.
What is the SI unit of force? Answer with the single word only, in lowercase.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
Which dog breed is the Dogecoin mascot? Answer with the name only.
In what year did the Eisenhower dollar coin first appear? Answer with the four-digit year only.
In what year was 'goblin mode' named Oxford Word of the Year? Answer with the four-digit year only.
In what year did Dmitri Mendeleev publish his periodic table? Answer with the four-digit year only.
In what year did 'The Dress' (blue and black or white and gold) go viral? Answer with the four-digit year only.