Block top - The block amount and duration from the blockchain (in blocks) on generation of the current block Nonce - The transaction number for your from address (Keep in mind this starts at 0 so a nonce of one hundred would actually be the 101st transaction submitted by this https://socialwebnotes.com/story5818474/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html