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 begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://ztndz.com/story25179575/what-does-blockchain-explorer-usdt-mean-https-www-webwiki-ch-cryptoexplorerhub-com