Block top - The block number 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 starts at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://socialbraintech.com/story5207190/a-review-of-blockchain-explorer-usdt-https-www-folkd-com-submit-cryptoexplorerhub-com