Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://mediajx.com/story25680994/explorer-blockchain-base-an-overview-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work