Block top - The block selection and length of the blockchain (in blocks) on creation of the present block Nonce - The transaction variety for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkinglife.com/story6130930/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com