Block top - The block number and length on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://altbookmark.com/story22436408/explorer-blockchain-base-an-overview-https-www-haphong-edu-vn-profile-crafttlcmcgarry6132-profile