Block top - The block selection and length 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 basically be the 101st transaction submitted by this account) https://bookmarkbells.com/story20728471/what-does-blockchain-explorer-usdt-mean-https-www-orkhonschool-edu-mn-profile-coxqonpallesen82836-profile