vercel.json

{
  "outputDirectory": "frontend/out",
  "headers": [
    {
      "source": "/(.*)",
      "headers": [
        { "key": "Content-Security-Policy", "value": "default-src 'none'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; font-src 'self' data:; connect-src 'self' https://txio-oyac.onrender.com https://*.sui.io https://*.stellar.org https://api.github.com https://rpc.ankr.com https://mainnet.sui.io https://sui-mainnet.nodes.allthatnode.com; object-src 'none'; base-uri 'self'; form-action 'self'; frame-ancestors 'none'; upgrade-insecure-requests" },
        { "key": "X-Frame-Options", "value": "DENY" },
        { "key": "X-Content-Type-Options", "value": "nosniff" },
        { "key": "Referrer-Policy", "value": "strict-origin-when-cross-origin" },
        { "key": "Strict-Transport-Security", "value": "max-age=31536000; includeSubDomains" },
        { "key": "Permissions-Policy", "value": "geolocation=(), microphone=(), camera=()" },
        { "key": "Cross-Origin-Opener-Policy", "value": "same-origin" },
        { "key": "Cross-Origin-Resource-Policy", "value": "same-origin" }
      ]
    }
  ]
}