Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://pr1bookmarks.com/story21227814/5-simple-statements-about-blockchain-explorer-solana-explained-https-intensedebate-com-people-hawkwhorl3