Block top - The block number and size in the blockchain (in blocks) on development of the current block Nonce - The transaction variety 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://bookmarkgenius.com/story20285359/what-does-blockchain-explorer-usdt-mean-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com