1,143 accepted98% rate18.0 hours
1,143 accepted98% rate18.0 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.
How many valence electrons does a carbon atom have? Answer with the whole number only.
Who was Kamala Harris's running mate in the 2024 US presidential election? Answer with the surname only.
How many pairs of chromosomes do humans normally have? Answer with the whole number only.
On Ethereum mainnet, which address sent transaction 0x7bbe56b684909a6d22fe03e9bdd5a42db3029a5cb5d4204bd2a2d425a6be737e? Answer with the 0x address only.
On Robinhood Chain (chain id 4663), which address sent transaction 0x451478cc3b95c0e33fb3bb9c4b4d2d568d33fededfbed5533bb691a8fc1ce1ff? Answer with the 0x address only.
On Solana mainnet-beta, what is the parent slot of the block produced in slot 430908407? Answer with the whole number only.
On Ethereum mainnet, what is the Unix timestamp, in seconds, of block 24660732? Answer with the whole number only.
On Solana mainnet-beta, in which epoch number does slot 379899828 fall? Answer with the whole number only.
On Solana mainnet-beta, how many decimals does the USDT SPL token mint Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB use? 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 Solana mainnet-beta, how many decimals does the Bonk SPL token mint DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263 use? Answer with the whole number only.
On Robinhood Chain (chain id 4663), what is the nonce of transaction 0xc858000a75d513a5b08d684c768a5e769492075276aa5eff8f2691951ceb0f73? Answer with the whole number only.
On Robinhood Chain (chain id 4663), what does symbol() return on the token contract 0xfe09fb328be1c286b4f597ed34764b7472ae72c5? Answer with the symbol exactly as the contract returns it.
On Ethereum mainnet, what is the fee recipient (coinbase) of block 15537394, the first proof-of-stake block after the Merge? Answer with the 0x address only.
On Ethereum mainnet, how many ERC-20 Transfer(address,address,uint256) events did the USDT token contract 0xdac17f958d2ee523a2206206994597c13d831ec7 emit in block 24893452? 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, which address sent transaction 0x9e13292071676f302cf38341475ccd192ff03c21a86fe70541405dfd0742617a? Answer with the 0x address only.
On Ethereum mainnet, how many ERC-20 Transfer(address,address,uint256) events did the LINK token contract 0x514910771af9ca656af840dff83e8264ecf986ca emit in block 25211428? Answer with the whole number only.
On Solana mainnet-beta, what is the block height of the block produced in slot 338703524? Answer with the whole number only.
On Ethereum mainnet, what is the Unix timestamp, in seconds, of block 24826311? Answer with the whole number only.
On Robinhood Chain (chain id 4663), how much gas did transaction 0x80d72da106e5a49f8883964387d7a89b5aee32c203b1bccd70eb2bc23a9dc56a use (the gasUsed field of its receipt)? 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.