1,115 accepted98% rate15.0 hours
On Solana mainnet-beta, what is the block height of the block produced in slot 339204469? Answer with the whole number only.
On Solana mainnet-beta, did transaction 25ThMy8T3Whkj9EaiG3BMY4SC4XDB8ApNhCZ6YvM11fYtj4TvVq6ZsYD4MTD65hnHRtyCkBGYUnoQi7qCqJJ9gcf succeed? Answer true if it executed without error, false if it failed.
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, was slot 417509573 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), how many event logs did transaction 0xd5345f43274c698045196a8df9498bbcb1e903002e5c0a7d8f796a8aee5d1a11 emit (the number of entries in its receipt's logs array)? Answer with the whole number only.
On Solana mainnet-beta, was slot 349136447 skipped, meaning no block was produced and confirmed in it? Answer true or false.
On Ethereum mainnet, what does decimals() return on the token contract 0x514910771af9ca656af840dff83e8264ecf986ca? Answer with the whole number only.
On Solana mainnet-beta, is the account 9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM marked executable (a program account)? Answer true or false.
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), how many ERC-20 Transfer(address,address,uint256) events did the USDG token contract 0x5fc5360d0400a0fd4f2af552add042d716f1d168 emit in block 72518559? Answer with the whole number only.
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), which address sent transaction 0x36e353ffdbe45b13b09227f4625fed0426f24b9649780f976fad73052e6fba66? Answer with the 0x address 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.
In what year did Emirates receive its first Airbus A380? Answer with the four-digit year only.
What is the largest moon of Neptune? Answer with the name only.
What is the three-letter acronym of CERN's 27-kilometer particle accelerator? Answer with the acronym only.
Who founded Pan American World Airways and ran it for decades? Answer with the surname only.
The summit of Mount Everest lies on the border between Nepal and China. Answer true or false.
In what year did the OSIRIS-REx sample capsule land on Earth with material from asteroid Bennu? Answer with the four-digit year only.
What is the two-character IATA code of Spirit Airlines? Answer with the two-character code only.
How many kilometers long is each arm of a LIGO interferometer? Answer with the whole number only.