Block top - The block quantity 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 begins at 0 so a nonce of one hundred would actually be the 101st transaction submitted by this https://total-bookmark.com/story20082516/5-simple-statements-about-blockchain-explorer-solana-explained-https-www-blurb-com-user-optionname7