Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://kingbookmark.com/story20481536/top-blockchain-explorer-confirmed-transactions-secrets-https-www-blurb-com-user-optionname7