Block top - The block selection and duration from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety to the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://socialinplace.com/story5675304/the-blockchain-explorer-address-diaries-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979