Matthew Green - Nostr Profile

About

I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com (#matthew_d_green on the other site.)

Metadata

NIP-05

matthew_d_green@ioc-exchange.mostr.pub

Bitcoin Testnet (Taproot)

tb1ptsr0tzpcqxta5h0mut3jj29ekmvzcck6crrqy566p8hpet26sgssqqlg85

Bitcoin Mainnet (Taproot)

bc1ptsr0tzpcqxta5h0mut3jj29ekmvzcck6crrqy566p8hpet26sgsshgf8am

Created

2/25/2026, 10:26:20 PM

Updated

2/25/2026, 10:26:20 PM

Nostr DID

did:nostr:5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221

Nostr Feed

nostr.rocks/users/5c06f588...

DID Document

{
  "@context": [
    "https://www.w3.org/ns/did/v1",
    "https://w3id.org/nostr/context",
    "https://w3id.org/security/suites/ed25519-2020/v1"
  ],
  "id": "did:nostr:5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221",
  "verificationMethod": [
    {
      "id": "did:nostr:5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221#key1",
      "controller": "did:nostr:5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221",
      "type": "SchnorrVerification2025"
    }
  ],
  "authentication": [
    "#key1"
  ],
  "assertionMethod": [
    "#key1"
  ],
  "profile": {
    "id": "did:nostr:event:22d0c4957f558b1754d6a0f8f035c38f0e321a621c0b86e09dc8c0d19f7390cd",
    "name": "Matthew Green",
    "about": "I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com (#matthew_d_green on the other site.)",
    "picture": "https://files.ioc.exchange/iocexchange/accounts/avatars/108/217/938/319/214/709/original/c3b4855bfdb259a6.jpeg",
    "nip05": "matthew_d_green@ioc-exchange.mostr.pub",
    "created_at": 1772054780,
    "updated_at": "2026-02-25T21:26:20.000Z"
  },
  "service": [
    {
      "id": "did:nostr:5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221#bitcoin-taproot",
      "type": "TaprootAddress",
      "network": "tbtc4",
      "serviceEndpoint": "tb1ptsr0tzpcqxta5h0mut3jj29ekmvzcck6crrqy566p8hpet26sgssqqlg85"
    },
    {
      "id": "did:nostr:5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221#bitcoin-mainnet-taproot",
      "type": "TaprootAddress",
      "network": "btc",
      "serviceEndpoint": "bc1ptsr0tzpcqxta5h0mut3jj29ekmvzcck6crrqy566p8hpet26sgsshgf8am"
    }
  ]
}

View as JSON API endpoint View as standardized DID document

Raw JSON

{
  "_id": "6843284f01976a34b6d9124b",
  "pubkey": "5c06f588380197da5dfbe2e32928b9b6d82c62dac0c602535a09ee1cad5a8221",
  "content": "{\"name\":\"Matthew Green\",\"about\":\"I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com (#matthew_d_green on the other site.)\",\"picture\":\"https://files.ioc.exchange/iocexchange/accounts/avatars/108/217/938/319/214/709/original/c3b4855bfdb259a6.jpeg\",\"nip05\":\"matthew_d_green@ioc-exchange.mostr.pub\",\"fields\":[[\"About me\",\"I teach cryptography at Johns Hopkins.\"]]}",
  "created_at": 1772054780,
  "id": "22d0c4957f558b1754d6a0f8f035c38f0e321a621c0b86e09dc8c0d19f7390cd",
  "kind": 0,
  "sig": "f3c563fe4538bc4aa7f817aa81c44dbe9ced085f18bfa85398849e334b698e1e8a753b788fc2633173e0f9acbe5ce75359a275e35f79a3f78581965a31cd743d",
  "tags": [
    [
      "proxy",
      "https://ioc.exchange/users/matthew_d_green",
      "activitypub"
    ],
    [
      "client",
      "Mostr",
      "31990:6be38f8c63df7dbf84db7ec4a6e6fbbd8d19dca3b980efad18585c46f04b26f9:mostr",
      "wss://relay.ditto.pub"
    ]
  ],
  "updated_at": "2026-02-25T21:26:20.000Z"
}