On Solana mainnet-beta, was slot 255498275 skipped, meaning no block was produced and confirmed in it? Answer true or false.

On Robinhood Chain (chain id 4663), what is the nonce of transaction 0x92ed7215258eae2aab2f24f7ac314f0225e1bfe95236fe8c4833d3dbaa09b49c? Answer with the whole number only.

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 Robinhood Chain (chain id 4663), is there contract code deployed at address 0x2222222222222222222222222222222222222222 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.

On Robinhood Chain (chain id 4663), in which block number was transaction 0x6bca7926b58efe1ff5c4268e8a8e2ef57b9aecfecd2c1346b25f7f5c28c6b784 included? Answer with the whole number only.

On Ethereum mainnet, is there contract code deployed at address 0x00000000000000adc04c56bf30ac9d3c0aaf14dc at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.

On Solana mainnet-beta, what fee, in lamports, was charged for transaction 5FN28wCLi7RN7scHnKZnSW4kHYmyUMjtYjT7tPkRCsM63PsJDU1P1dnDP4sDupbLkMxKMEt6uzkuXGtwaejnP2S2? Answer with the whole number only.

On Solana mainnet-beta, what is the parent slot of the block produced in slot 434133983? Answer with the whole number only.

On Robinhood Chain (chain id 4663), how many event logs did transaction 0x1465e49208b30ecd801e79c75982721d71604c9058a215c9d67e4fa2a4a744fb emit (the number of entries in its receipt's logs array)? Answer with the whole number only.

On Robinhood Chain (chain id 4663), how many ERC-20 Transfer(address,address,uint256) events did the WETH token contract 0x0bd7d308f8e1639fab988df18a8011f41eacad73 emit in block 72309050? Answer with the whole number only.

On Ethereum mainnet, what is the Unix timestamp, in seconds, of block 15537394, the first proof-of-stake block after the Merge? Answer with the whole number only.

On Solana mainnet-beta, in which slot was transaction 8Kx1YzNpmZfyqnPVUmv8YUdzT8t7oZyd3KGSq1REkgCEW4tsYrAqwg9GJjYBQnu227aUAaJYHCjrGmDk3X7nvBb confirmed? 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, what fee, in lamports, was charged for transaction 61iySKx1atHvvWb5HeH4ND2mYu2jQ8nQKFGXNo4cAxMmikQrFHeoMbhmHP9Y9nrruPf4Ky2RA4GKwneVXHJa1LS1? Answer with the whole number only.

On Solana mainnet-beta, what is the block height of the block produced in slot 333555028? 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 Solana mainnet-beta, in which epoch number does slot 317300249 fall? Answer with the whole number only.

On Solana mainnet-beta, how many compute units did transaction hTLbdMoMaxPUnwC4XG9ETT43XQCzYRmz47g9iwub7mHFhJCeQTWPuveJD62BNmpiLXHBV6iG4k89gL98g63ZK9t consume? 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 Solana mainnet-beta, did transaction 5nza2Tvn4xebRADDMP9nirufxZtM2esrdxuV1sCwDnsdrBNv4r9rUrXAsTQFtyxqi7TATssw53PLDHdixktcBUFm succeed? Answer true if it executed without error, false if it failed.

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 SpaceX fly astronauts for the first time, on the Demo-2 mission? Answer with the four-digit year only.