Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract creation https://artybookmarks.com/story20059679/a-review-of-blockchain-explorer-xrp-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba