Block top - The block range and length in the blockchain (in blocks) on generation of the present block Nonce - The transaction variety with the from address (bear in mind this starts at 0 so a nonce of one hundred would basically be the a hundred and first transaction https://socialrator.com/story11833918/the-definitive-guide-to-explorer-blockchain-ethereum-https-intensedebate-com-people-hawkwhorl3