Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://bookmarkrange.com/story22113669/what-does-eth-blockchain-explorer-mean-https-www-orkhonschool-edu-mn-profile-coxqonpallesen82836-profile