Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkerz.com/story20153431/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-http-bioimagingcore-be-q2a-user-storegarlic8