Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://freebookmarkpost.com/story20531833/top-guidelines-of-explorer-blockchain-solana-https-pad-geolab-space-1eemv59krmalavl2pdd7cg