at://did:plc:44ybard66vv44zksje25o7dz/app.bsky.feed.post/3kozotytnxe2h

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{
  "$type": "app.bsky.feed.post",
  "createdAt": "2024-03-31T23:26:30.575Z",
  "embed": {
    "$type": "app.bsky.embed.external",
    "external": {
      "description": "We revamped the second-factor authentication in Teleport 6.0. This post provides a birds-eye view of U2F and other cryptographic hardware standards.",
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        "mimeType": "image/jpeg",
        "size": 634295
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      "title": "What I Wish I Knew About U2F and Other Hardware MFA Protocols",
      "uri": "https://goteleport.com/blog/u2f-lessons-learned/"
    }
  },
  "langs": [
    "en"
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  "reply": {
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  "text": "another thing is that a lot of popular crypto APIs don't support general-purpose (non-domain-specific) signatures, even if they do support the curves we use.\n\nthis is a reasonable overview:"
}