Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Deal development https://setbookmarks.com/story20543522/everything-about-blockchain-explorer-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg