Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (Remember this commences at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) Agreement https://bookmarkpressure.com/story20449024/the-best-side-of-explorer-blockchain-usdt-https-www-webwiki-it-cryptoexplorerhub-com