Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract creation https://sociallytraffic.com/story5195484/everything-about-blockchain-explorer-https-www-mixcloud-com-brokerfridge5