Block top - The block selection and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety with the from address (Remember this starts off at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) Contract https://bookmarksurl.com/story5799073/top-blockchain-explorer-confirmed-transactions-secrets-https-pad-fs-lmu-de-h2fzbno0rjqfpyic-69lxg