Block top - The block range and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the 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://cyberbookmarking.com/story20226420/a-review-of-blockchain-explorer-usdt-https-www-multichain-com-qa-user-knotdrop3