Block top - The block number and length of the blockchain (in blocks) on generation 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://bookmarkilo.com/story20363254/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-www-lasallesancristobal-edu-mx-profile-hannabkzpaulsen19225-profile