Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkize.com/story20635938/the-definitive-guide-to-explorer-blockchain-ethereum-https-www-orkhonschool-edu-mn-profile-coxqonpallesen82836-profile