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 a hundred would in fact be the 101st transaction submitted by this account) https://toplistar.com/story22601366/a-review-of-blockchain-explorer-xrp-https-offersen-deleuran-3-technetbloggers-de-unlocking-clarity-method-of-blockchain-navigators-operate