Block top - The block number and length of the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would in fact be the one hundred and first https://210list.com/story21205739/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com