Block top - The block selection and length 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 basically be the 101st transaction submitted by this account) https://socialbuzzfeed.com/story5813671/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-www-mixcloud-com-brokerfridge5