Block top - The block number and length of your blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://wiishlist.com/story21396235/blockchain-explorer-fundamentals-explained-https-motionentrance-edu-np-profile-sticknurse6