Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Keep in mind this commences at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://iowa-bookmarks.com/story16664107/what-does-eth-blockchain-explorer-mean-https-www-rosewood-edu-na-profile-engelhczrussell69263-profile