Block top - The block selection and duration of your blockchain (in blocks) on creation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://socialmediastore.net/story21300352/not-known-details-about-blockchain-explorer-usdt-trc20-https-www-arrowheadpride-com-users-churchkjeldse