Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety to the from address (Keep in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://mysocialname.com/story5515381/explorer-blockchain-base-an-overview-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain