Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://thesocialdelight.com/story5795375/the-best-side-of-explorer-blockchain-usdt-https-www-webwiki-fr-cryptoexplorerhub-com