Block top - The block range and length from the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this https://bookmarksden.com/story20687548/the-2-minute-rule-for-blockchain-explorer-solana-https-diigo-com-010nvri