Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://bookmarkforce.com/story20386519/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work