{
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  "type": "rich",
  "title": "Understanding the Technology behind Blockchain",
  "author_name": "Sebastien Rousseau",
  "author_url": "https://sebastienrousseau.com/about/",
  "provider_name": "Sebastien Rousseau",
  "provider_url": "https://sebastienrousseau.com/",
  "thumbnail_url": "https://cloudcdn.pro/stocks/images/adam-smigielski-K5mPtONmpHM.webp",
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  "html": "<blockquote class=\"oembed-card\"><p><a href=\"https://sebastienrousseau.com/2018-01-09-understanding-the-technology-behind-blockchain/\">Understanding the Technology behind Blockchain</a></p><p>Blockchain is an append-only ledger secured by cryptographic hash chains and distributed consensus — a design that makes tampering computationally expensive and auditable by anyone. Ethereum extended this foundation with a programmable execution layer, turning a simple payments record into a platform for smart contracts, tokens, and decentralised finance.</p><p><cite>Sebastien Rousseau — sebastienrousseau.com</cite></p></blockquote>",
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