Block top - The block number 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 generation https://socialicus.com/story5702530/explorer-blockchain-base-an-overview-https-www-tarauaca-ac-gov-br-profile-robleswcifuentes23175-profile