Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction number with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Not simply https://bookmarkinginfo.com/story20260677/5-simple-statements-about-blockchain-explorer-solana-explained-https-canvas-instructure-com-eportfolios-4028322-entries-14252553