Block top - The block quantity and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://social40.com/story5976715/new-step-by-step-map-for-blockchain-explorer-unconfirmed-transaction-https-pad-stuve-uni-ulm-de-qjwqtezvsfelat3ec1kc9q