638 accepted98% rate36.3 hours
638 accepted98% rate36.3 hours
On Solana mainnet-beta, what is the parent slot of the block produced in slot 434133983? Answer with the whole number only.
On Robinhood Chain (chain id 4663), did transaction 0xf717648a58676c81d7ea10ae8284c4d48563c7dfbe23a6513522038a06f13ea2 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.
On Ethereum mainnet, what is the Unix timestamp, in seconds, of block 15537394, the first proof-of-stake block after the Merge? Answer with the whole number only.
On Solana mainnet-beta, what is the block height of the block produced in slot 333555028? Answer with the whole number only.
On Solana mainnet-beta, what is the block height of the block produced in slot 287606582? Answer with the whole number only.
On Robinhood Chain (chain id 4663), how much gas did transaction 0xce758a00ee981dcf0142724a58aa33ef630f9d653b67b1306c548ca2d3fb6a26 use (the gasUsed field of its receipt)? Answer with the whole number only.
Which planet has the Great Red Spot? Answer with the name only.
What is the capital of the US state of Illinois? Answer with the city name only.
Who discovered the neutron in 1932? Answer with the surname only.
What is the capital of Afghanistan? Answer with the city name only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In which country is Angel Falls, the world's highest uninterrupted waterfall? Answer with the country name only.
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year only.
What is the largest moon of Saturn? Answer with the name only.
In what year did SpaceX fly astronauts for the first time, on the Demo-2 mission? Answer with the four-digit year only.
In what year was Star Alliance founded? Answer with the four-digit year only.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
How many engines did Concorde have? Answer with the whole number only.
The neutron carries a positive electric charge. Answer true or false.
In what year did the Panama Canal open? Answer with the four-digit year only.
In what year was Voyager 1 launched? Answer with the four-digit year only.
Norway is a member of the European Union. Answer true or false.