Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://thebookmarklist.com/story20456493/blockchain-explorer-fundamentals-explained-https-skitterphoto-com-photographers-1387379-jimenez-deleuran