Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Agreement creation https://bookmarkshome.com/story6145950/explorer-blockchain-things-to-know-before-you-buy-https-www-webwiki-fr-cryptoexplorerhub-com