Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted by this https://bookmarkangaroo.com/story20347208/what-does-eth-blockchain-explorer-mean-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com