Block top - The block range and duration on the blockchain (in blocks) on development of the current block Nonce - The transaction quantity for the from address (Remember this starts off at 0 so a nonce of one hundred would truly be the 101st transaction submitted by this account) https://bookmarklinx.com/story20597327/the-fact-about-explorer-blockchain-base-that-no-one-is-suggesting-https-kearns-horn-hubstack-net-monitoring-transfers-how-distributed-ledger-analyzers-work