Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would actually be the one hundred and first transaction https://socialmediaentry.com/story5671948/not-known-details-about-blockchain-explorer-usdt-trc20-https-doc-adminforge-de-xbqatr5jtxomaazj2qoagg