{
  "coin": {
    "symbol": "BTC",
    "name": "Bitcoin",
    "slug": "btc",
    "coinPage": "https://etz-swap.com/coins/btc",
    "cover": "https://api.etz-swap.com/api/v1/content?path=blog/bitcoin-explained-btc-cover.webp"
  },
  "summary": "Bitcoin (BTC) is decentralized digital money secured by Proof-of-Work with fixed, predictable issuance and a hard cap of 21M coins.",
  "highlights": [
    "Fixed supply trajectory with ~4-year halvings",
    "PoW security; full-node validation and neutrality",
    "Taproot upgrade: privacy/efficiency for complex spends",
    "Lightning Network: fast, low-fee BTC payments"
  ],
  "relatedPairs": [
    {"title": "BTC→XMR", "url": "https://etz-swap.com/exchange-pair/btc-btc-xmr-xmr-0.125"},
    {"title": "BTC→ETH", "url": "https://etz-swap.com/exchange-pair/btc-btc-eth-eth-0.125"}
  ],
  "friendLinks": [
    {"title": "XMR coin page", "url": "https://etz-swap.com/coins/xmr"},
    {"title": "ETH coin page", "url": "https://etz-swap.com/coins/eth"}
  ],
  "seo": {
    "title": "Bitcoin (BTC) Explained: Origins, Design, Upgrades, and Real-World Use",
    "description": "BTC in plain terms with cross-links to real exchange pairs and absolute URLs for crawlers."
  },
  "updatedAt": "2025-11-10T00:00:00Z"
}