Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://thesocialintro.com/story6437633/not-known-details-about-blockchain-explorer-ltc-https-diigo-com-010nvri