Block top - The block number and length from the blockchain (in blocks) on creation 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 actually be the 101st transaction submitted by this account) https://bookmarks4seo.com/story20310650/blockchain-explorer-search-an-overview-http-ezproxy-cityu-edu-hk-login-url-https-cryptoexplorerhub-com