{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mastering Ethereum: Building Smart Contracts and DApps","author_name":"Antonopoulos, Andreas M.","thumbnail_url":"https://www.ebooknetworking.net/books/149/197/big1491971940.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1491971940.html\">Mastering Ethereum: Building Smart Contracts and DApps</a>","width":400,"height":300}