Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of 100 would in fact be the a hundred and first transaction https://meshbookmarks.com/story20613911/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw