Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for your from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://tbookmark.com/story20221826/a-review-of-blockchain-explorer-xrp-http-pandora-nla-gov-au-external-html-link-https-cryptoexplorerhub-com