Block top - The block selection and duration in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://1001bookmarks.com/story20314320/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04