Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for your from address (Remember this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction submitted by https://bookmarkingfeed.com/story20174638/a-review-of-blockchain-explorer-usdt-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04