Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with 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://freebookmarkpost.com/story20088410/not-known-details-about-explorer-blockchain-ton-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg