Block top - The block number and length 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 one hundred would in fact be the a hundred and first transaction https://xyzbookmarks.com/story20518416/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04