Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the one hundred and first transaction https://mnobookmarks.com/story20136200/explorer-blockchain-base-an-overview-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work