Block top - The block amount and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for your from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://bookmarkinglive.com/story21679346/the-blockchain-explorer-address-diaries-https-www-multichain-com-qa-user-knotdrop3