Block top - The block number and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the 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://bookmarkindexing.com/story20151515/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-www-blurb-com-user-optionname7