Block top - The block amount and size of the blockchain (in blocks) on development of the present block Nonce - The transaction number to the from address (Remember this starts at 0 so a nonce of 100 would in fact be the one hundred and first transaction submitted by https://socialtechnet.com/story5861969/5-essential-elements-for-blockchain-explorer-ethereum-https-clancy-olesen-4-mdwrite-net-opening-the-record-your-resource-to-blockchain-investigation