Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://todaybookmarks.com/story20655922/blockchain-explorer-fundamentals-explained-http-pandora-nla-gov-au-external-html-link-https-cryptoexplorerhub-com