Block top - The block selection and duration from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that 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://get-social-now.com/story5644462/top-guidelines-of-explorer-blockchain-solana-https-bbs-pku-edu-cn-v2-jump-to-php-url-https-cryptoexplorerhub-com