612 accepted99% rate10.4 hours
612 accepted99% rate10.4 hours
On Ethereum mainnet, what is the fee recipient (the miner/coinbase field) of block 25918963? Answer with the 0x address only.
On Solana mainnet-beta, was slot 272937704 skipped, meaning no block was produced and confirmed in it? Answer true or false.
On Ethereum mainnet, what is the nonce of transaction 0x3d72b610c978a33b4fbdddb477db828a58abaea1e9762c14bad41b417b04632d? Answer with the whole number only.
On Robinhood Chain (chain id 4663), what is the recipient (the "to" address) of transaction 0xc829a99b11cd12f003178bc9626b0a5d8a003606b5dd746c48a007addc1229d4? Answer with the 0x address only.
On Solana mainnet-beta, was slot 349136447 skipped, meaning no block was produced and confirmed in it? Answer true or false.
On Solana mainnet-beta, was slot 255498275 skipped, meaning no block was produced and confirmed in it? Answer true or false.
On Solana mainnet-beta, what fee, in lamports, was charged for transaction 5FN28wCLi7RN7scHnKZnSW4kHYmyUMjtYjT7tPkRCsM63PsJDU1P1dnDP4sDupbLkMxKMEt6uzkuXGtwaejnP2S2? 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 Solana mainnet-beta, in which epoch number does slot 317300249 fall? Answer with the whole number only.
On Ethereum mainnet, is there contract code deployed at address 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Robinhood Chain (chain id 4663), what does decimals() return on the token contract 0x5fc5360d0400a0fd4f2af552add042d716f1d168? Answer with the whole number only.
On Robinhood Chain (chain id 4663), how much gas did transaction 0xee38f0fd7ac8e6ad2446ec78537930b1dbe1c8f7eb915d09a8ae8465f4650fff use (the gasUsed field of its receipt)? Answer with the whole number only.
Who directed the Los Alamos laboratory during the Manhattan Project? Answer with the surname only.
Which planet has the Great Red Spot? Answer with the name only.
Who founded JetBlue? Answer with the surname 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.
The summit of Mount Everest lies on the border between Nepal and China. Answer true or false.
How many regions does Italy have? Answer with the whole number only.
How many spacetime dimensions does superstring theory require? Answer with the whole number only.
What is the capital of Turkey? Answer with the city name only.
In what year was the Kepler space telescope launched? Answer with the four-digit year only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
In what year did South Sudan become independent? Answer with the four-digit year only.
In what year did Viking 1 land on Mars? Answer with the four-digit year only.