1,267 accepted98% rate29.0 hours
1,267 accepted98% rate29.0 hours
On Robinhood Chain (chain id 4663), what is the recipient (the "to" address) of transaction 0xb42116fac42b55fade4d8cf74c2e96a01111c3ff6eb5e9012bf13a6cfb3f5f25? Answer with the 0x address only.
On Ethereum mainnet, is there contract code deployed at address 0xbe0eb53f46cd790cd13851d5eff43d12404d33e8 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Ethereum mainnet, how much gas was used in total by block 24826311 (the block's gasUsed field)? Answer with the whole number only.
Who directed the Los Alamos laboratory during the Manhattan Project? Answer with the surname only.
In what year did Emirates receive its first Airbus A380? Answer with the four-digit year only.
What is the two-character IATA code of Spirit Airlines? Answer with the two-character code only.
Air New Zealand is a member of Star Alliance. Answer true or false.
How many people have walked on the Moon? Answer with the whole number only.
Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
Who formulated the uncertainty principle in quantum mechanics? Answer with the surname only.
Who founded Pan American World Airways and ran it for decades? Answer with the surname only.
What is the flag carrier airline of Ireland? Answer with the airline name only.
What is the capital of the US state of Illinois? Answer with the city name only.
Who founded Virgin Atlantic? Answer with the surname only.
In what year did the Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
In what year was Qantas founded? Answer with the four-digit year only.
In what year did Viking 1 land on Mars? Answer with the four-digit year only.
In what year was Cathay Pacific founded? Answer with the four-digit year only.
In what year did Namibia become independent? Answer with the four-digit year only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
In what year did the Suez Canal open? Answer with the four-digit year only.
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.