Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety to the from address (Keep in mind this starts at 0 so a nonce of one hundred would in fact be the a hundred and first https://letusbookmark.com/story22341659/explorer-blockchain-base-an-overview-https-www-webwiki-nl-cryptoexplorerhub-com