Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this commences at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted by https://bookmarkgenius.com/story20180881/the-smart-trick-of-explorer-blockchain-ethereum-that-nobody-is-discussing-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979