Block top - The block variety and size with the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkboom.com/story20389780/the-ultimate-guide-to-eth-blockchain-explorer-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba