diff --git a/XXX.md b/0b.md
similarity index 99%
rename from XXX.md
rename to 0b.md
index 8ae6676..0da70e4 100644
--- a/XXX.md
+++ b/0b.md
@@ -1,5 +1,5 @@
-NIP-XXX
-=======
+NIP-0B
+======
 
 On-Behalf of - Simple Sub-Key Management
 -----
diff --git a/51.md b/51.md
index 3792d7f..51f5840 100644
--- a/51.md
+++ b/51.md
@@ -33,6 +33,7 @@ For example, _mute list_ can contain the public keys of spammers and bad actors
 | Interests         | 10015 | topics a user may be interested in and pointers             | `"t"` (hashtags) and `"a"` (kind:30015 interest set)                              |
 | Emojis            | 10030 | user preferred emojis and pointers to emoji sets            | `"emoji"` (see [NIP-30](30.md)) and `"a"` (kind:30030 emoji set)                  |
 | DM relays         | 10050 | Where to receive [NIP-17](17.md) direct messages            | `"relay"` (see [NIP-17](17.md))                                                   |
+| On-Behalf of | 10100 | [NIP-0b](0b.md) attestations list            | `"p"` (pubkeys, with [NIP-0b](0b.md) attestation string)                                                   |
 | Good wiki authors | 10101 | [NIP-54](54.md) user recommended wiki authors               | `"p"` (pubkeys)                                                                   |
 | Good wiki relays  | 10102 | [NIP-54](54.md) relays deemed to only host useful articles  | `"relay"` (relay URLs)                                                            |
 
diff --git a/README.md b/README.md
index 0ebd9d2..ef738d1 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 - [NIP-07: `window.nostr` capability for web browsers](07.md)
 - [NIP-08: Handling Mentions](08.md) --- **unrecommended**: deprecated in favor of [NIP-27](27.md)
 - [NIP-09: Event Deletion Request](09.md)
+- [NIP-0b: On-Behalf of (Simple Sub-Key Management)](0b.md)
 - [NIP-10: Conventions for clients' use of `e` and `p` tags in text events](10.md)
 - [NIP-11: Relay Information Document](11.md)
 - [NIP-13: Proof of Work](13.md)
@@ -160,6 +161,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | `10050`       | Relay list to receive DMs       | [51](51.md), [17](17.md)               |
 | `10063`       | User server list                | [blossom]                              |
 | `10096`       | File storage server list        | [96](96.md)                            |
+| `10100`       | On-Behalf of Attestations List  | [0b](0b.md)                            |
 | `13194`       | Wallet Info                     | [47](47.md)                            |
 | `21000`       | Lightning Pub RPC               | [Lightning.Pub][lnpub]                 |
 | `22242`       | Client Authentication           | [42](42.md)                            |
@@ -247,10 +249,11 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
 | name              | value                                | other parameters                | NIP                                   |
 | ----------------- | ------------------------------------ | ------------------------------- | ------------------------------------- |
 | `e`               | event id (hex)                       | relay URL, marker, pubkey (hex) | [01](01.md), [10](10.md)              |
-| `p`               | pubkey (hex)                         | relay URL, petname              | [01](01.md), [02](02.md)              |
+| `p`               | pubkey (hex)                         | relay URL, petname / attestation             | [01](01.md), [02](02.md), [0b](0b.md)              |
 | `a`               | coordinates to an event              | relay URL                       | [01](01.md)                           |
 | `d`               | identifier                           | --                              | [01](01.md)                           |
 | `-`               | --                                   | --                              | [70](70.md)                           |
+| `b`               | pubkey (hex)                         | --                              | [0b](0b.md)                           |
 | `g`               | geohash                              | --                              | [52](52.md)                           |
 | `h`               | group id                             | --                              | [29](29.md)                           |
 | `i`               | external identity                    | proof, url hint                 | [39](39.md), [73](73.md)              |