729 accepted99% rate10.9 hours
729 accepted99% rate10.9 hours
What is the chemical symbol for potassium? Answer with the chemical symbol only.
Pre-decimal Britain had 12 pence in a shilling. Answer true or false.
Ethereum Classic reversed the 2016 DAO hack. Answer true or false.
What is the atomic number of zinc? Answer with the whole number only.
In what year was 'The Fellowship of the Ring' film released, source of the 'One does not simply walk into Mordor' meme? 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.
Which US senator inspired the 2021 'mittens' meme at the inauguration? Answer with the surname only.
Which Bitcoin upgrade introduced Schnorr signatures? Answer with the name only.
Who created Litecoin? Answer with the surname only.
Whales are fish. Answer true or false.
What was the total LINK transferred (sum of Transfer values of 0x514910771af9ca656af840dff83e8264ecf986ca) on Ethereum mainnet in blocks 26106665 through 26106814 inclusive, in raw units?
At block 26105095 on Ethereum mainnet (about 6 hours ago), was the total supply of USDT (0xdac17f958d2ee523a2206206994597c13d831ec7) at least 85653962362893044 raw units?
In what year was the US Civil Rights Act signed into law? Answer with the four-digit year only.
Which driver holds the record for most Formula One race wins? Answer with the surname only.
How long is an Olympic swimming pool in metres? Answer with the whole number only.
The chemical formula of water is H2O2. Answer true or false.
Who was the 16th President of the United States? Answer with the surname only.
Who was the first female Prime Minister of the United Kingdom? Answer with the surname only.
Barack Obama served three terms as US president. Answer true or false.
Which team won Super Bowl LVIII? Answer with the team nickname only (for example 'Yankees').
In what year did LIGO first directly detect gravitational waves (event GW150914)? Answer with the four-digit year only.