Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for your from address (bear in mind this starts off at 0 so a nonce of 100 would really be the a hundred and first transaction https://hubwebsites.com/story21662944/everything-about-blockchain-explorer-https-www-folkd-com-submit-cryptoexplorerhub-com