Block top - The block number and size of your blockchain (in blocks) on creation of the current block Nonce - The transaction amount for the from address (bear in mind this starts at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://bookmarklinkz.com/story20753916/the-ultimate-guide-to-eth-blockchain-explorer-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers