Block top - The block number and length with the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://socialskates.com/story21885188/how-much-you-need-to-expect-you-ll-pay-for-a-good-blockchain-explorer-litecoin-https-numberfields-asu-edu-numberfields-show-user-php-userid-6240092