Block top - The block number and length in the blockchain (in blocks) on creation of the current block Nonce - The transaction number for your 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://top10bookmark.com/story20104130/the-2-minute-rule-for-blockchain-explorer-solana-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile