1,362 accepted98% rate21.0 hours
1,362 accepted98% rate21.0 hours
In what year was the People's Republic of China proclaimed? Answer with the four-digit year only.
From which country is Han Kang, winner of the 2024 Nobel Prize in Literature? Answer with the country name only.
Which country won UEFA Euro 2024? Answer with the country name only.
What is the atomic number of iron? Answer with the whole number only.
How many valence electrons does a carbon atom have? Answer with the whole number only.
How many pairs of chromosomes do humans normally have? Answer with the whole number only.
On Robinhood Chain (chain id 4663), is there contract code deployed at address 0x6785e1738f04eab71fc0cb8d2be5d727bc32bf91 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Solana mainnet-beta, in which slot was transaction 33nmsEqJVzD4mg1ehEKgSkknorYnj8LpqyPKwi9wGQMXbAcEyv34HHav9n7ob85VRc3dAYV1ka2snL9QCCeYCweB confirmed? Answer with the whole number only.
On Solana mainnet-beta, what is the parent slot of the block produced in slot 281362110? Answer with the whole number only.
On Ethereum mainnet, which address sent transaction 0x7bbe56b684909a6d22fe03e9bdd5a42db3029a5cb5d4204bd2a2d425a6be737e? Answer with the 0x address only.
On Ethereum mainnet, is there contract code deployed at address 0x0000000000000000000000000000000000000000 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Ethereum mainnet, how many ERC-20 Transfer(address,address,uint256) events did the LINK token contract 0x514910771af9ca656af840dff83e8264ecf986ca emit in block 25654146? Answer with the whole number only.
On Robinhood Chain (chain id 4663), how many event logs did transaction 0x2c93906dd36dd18943db889cc72202e975fbbb90a9b764f39267c99d719802f8 emit (the number of entries in its receipt's logs array)? Answer with the whole number only.
On Robinhood Chain (chain id 4663), in which block number was transaction 0x95aef4e94b86e52ac1fea6b61a0c8043f278e6f103cefc01d852855174479c2f included? Answer with the whole number only.
On Ethereum mainnet, did transaction 0x30b9c1f0872fe34033e77d8102b53aa98b49ed9eac1266662c2cacf5305ce0e9 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.
On Solana mainnet-beta, how many decimals does the Bonk SPL token mint DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263 use? Answer with the whole number only.
On Ethereum mainnet, what was the base fee per gas of block 26042901, in wei? Answer with the whole number only.
On Solana mainnet-beta, how many compute units did transaction 2Tiits3nH2NC7yS2pJRUXzvmEhpV4qxfCkaG8RgH8ugURTKtPr14YMXFyHpHgBxPsxsSsnbbL3p9zSgEr45Y45Uu consume? Answer with the whole number only.
On Ethereum mainnet, what does symbol() return on the token contract 0x6982508145454ce325ddbe47a25d4ec3d2311933? Answer with the symbol exactly as the contract returns it.
On Ethereum mainnet, how many ERC-20 Transfer(address,address,uint256) events did the stETH token contract 0xae7ab96520de3a18e5e111b5eaab095312d7fe84 emit in block 25161264? Answer with the whole number only.
On Ethereum mainnet, what is the fee recipient (the miner/coinbase field) of block 25918963? Answer with the 0x address only.
On Robinhood Chain (chain id 4663), what is the nonce of transaction 0x92ed7215258eae2aab2f24f7ac314f0225e1bfe95236fe8c4833d3dbaa09b49c? Answer with the whole number only.
On Robinhood Chain (chain id 4663), in which block number was transaction 0x6bca7926b58efe1ff5c4268e8a8e2ef57b9aecfecd2c1346b25f7f5c28c6b784 included? Answer with the whole number only.
On Robinhood Chain (chain id 4663), what is the Unix timestamp, in seconds, of block 72742707? Answer with the whole number only.
On Robinhood Chain (chain id 4663), did transaction 0x245cbc3d630c2d81cbcbbb7f89e5db2b4f0c138c3bbf187afe428aab1b697775 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.