Block top - The block number 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 one hundred and first transaction submitted https://bookmarketmaven.com/story21072275/explorer-blockchain-base-an-overview-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com