Block top - The block amount and size of the blockchain (in blocks) on development of the current block Nonce - The transaction quantity for that from address (bear in mind this starts off at 0 so a nonce of 100 would basically be the a hundred and first transaction https://altbookmark.com/story22466300/5-simple-statements-about-blockchain-explorer-solana-explained-https-diigo-com-010nvri