Block top - The block range and size from the blockchain (in blocks) on generation of the current block Nonce - The transaction number for that from address (bear in mind this commences at 0 so a nonce of 100 would basically be the a hundred and first transaction submitted https://icelisting.com/story21658192/not-known-details-about-blockchain-explorer-usdt-trc20-https-forum-issabel-org-u-optionray7