Block height - The block range and length of your blockchain (in blocks) on development of the present block Nonce - The transaction range for that from address (bear in mind this commences at 0 so a nonce of 100 would essentially be the 101st transaction submitted by this account) https://allyourbookmarks.com/story20705295/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-mathiasen-curry-2-federatedjournals-com-diving-deep-blockchain-explorers