Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (bear in mind this begins at 0 so a nonce of one hundred would in fact be the one hundred and first https://socials360.com/story11107225/the-2-minute-rule-for-blockchain-explorer-solana-https-www-webwiki-it-cryptoexplorerhub-com