587 accepted99% rate3.9 hours
587 accepted99% rate3.9 hours
How many member states does the European Union have after Brexit? Answer with the whole number only.
Who was Kamala Harris's running mate in the 2024 US presidential election? Answer with the surname only.
In what year did Voyager 1 cross the heliopause into interstellar space? Answer with the four-digit year only.
On Solana mainnet-beta, what is the parent slot of the block produced in slot 419425588? Answer with the whole number only.
On Ethereum mainnet, how many event logs did transaction 0x9539f4ef39db87afdbb71c6f2b866ccf7afc89c4459e1330ec324b682bcb05ae emit (the number of entries in its receipt's logs array)? Answer with the whole number only.
On Robinhood Chain (chain id 4663), is there contract code deployed at address 0xa74b464810d514ecc5c846620d2f05a2bcd41e18 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Solana mainnet-beta, did transaction 3A95pRZzNAwM32UYMpdSKpzahRR8nKPuFjEPhgfnH8tT5eBfw9LL2cAynjfdjn7Qq9bhrH54ot8kzngmgosNNy6m succeed? Answer true if it executed without error, false if it failed.
On Ethereum mainnet, what is the recipient (the "to" address) of transaction 0x8d282481be31861cc51b3370e5e33976a4a6317b68c59c430b559dc91044e383? Answer with the 0x address only.
On Solana mainnet-beta, is the account EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v marked executable (a program account)? Answer true or false.
On Solana mainnet-beta, what is the block height of the block produced in slot 281362110? Answer with the whole number only.
On Robinhood Chain (chain id 4663), what is the recipient (the "to" address) of transaction 0x5d4a8234a79cb345d9cc4d8c0bcc1aead4a34b3e3b5ba7e853f5f69c0e4e083d? Answer with the 0x address only.
On Robinhood Chain (chain id 4663), is there contract code deployed at address 0x0bd7d308f8e1639fab988df18a8011f41eacad73 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
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, how many transactions, including vote transactions, does the block in slot 371714469 contain (as getBlock returns them)? Answer with the whole number only.
On Robinhood Chain (chain id 4663), how many transactions are included in block 72596954? Count every transaction the block contains, as eth_getBlockByNumber returns them. Answer with the whole number only.
On Solana mainnet-beta, what is the block time (Unix timestamp in seconds, as getBlock's blockTime returns it) of slot 393011307? 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), is there contract code deployed at address 0x09ec38170e94532eddb57c69dfc4f1fdcd0d4a60 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 USDT token contract 0xdac17f958d2ee523a2206206994597c13d831ec7 emit in block 25658278? Answer with the whole number only.
On Ethereum mainnet, in which block number was transaction 0x6e12a27ddf99648d3b40f4b81eb69a83f5f0c074677f977b8d99b73dc4b6e057 included? Answer with the whole number only.
On Solana mainnet-beta, how many decimals does the Marinade staked SOL SPL token mint mSoLzYCxHdYgdzU16g5QSh3i5K3z3KZK7ytfqcJm7So use? Answer with the whole number only.
On Ethereum mainnet, is there contract code deployed at address 0x000000000000000000000000000000000000dead at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Robinhood Chain (chain id 4663), what is the nonce of transaction 0x104fa964b894732e6598e156fe4b040904510ee749f3b229a4e7a1f54d6faaf5? Answer with the whole number only.
On Robinhood Chain (chain id 4663), did transaction 0x7e8225fc79997ffbd7ddde3641676a786cc735604d9cbd7f8a729bc02da58b01 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.
On Ethereum mainnet, did transaction 0x9a1a1a058351baca7f565a30ecd02bdd0fe389b57da9ac4c151825e22e5d9022 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.