Block top - The block selection and size on 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 truly be the 101st transaction submitted by this account) https://orangebookmarks.com/story20874113/5-essential-elements-for-blockchain-explorer-ethereum-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg