Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity 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://allyourbookmarks.com/story20849913/explorer-blockchain-things-to-know-before-you-buy-https-mlx-su-paste-view-d02eef60