Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this commences at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract generation https://networkbookmarks.com/story20302111/not-known-details-about-blockchain-explorer-ltc-http-pandora-nla-gov-au-external-html-link-https-cryptoexplorerhub-com