Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would essentially be the one hundred and first transaction submitted https://wearethelist.com/story22427196/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-diigo-com-010nvri