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 truly be the 101st transaction submitted by this account) https://socialfactories.com/story5731648/explorer-blockchain-things-to-know-before-you-buy-https-www-anibookmark-com-user-shoeraven4-html