Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety with the from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://bookmarkilo.com/story20137698/explorer-blockchain-things-to-know-before-you-buy-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba