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+NIP-100
+======
+
+Kanban Boards
+------------
+
+`draft` `optional`
+
+This NIP defines a protocol for creating and managing Kanban boards on Nostr.
+
+## Abstract
+
+This NIP introduces event kinds and conventions for implementing Kanban boards, allowing users to create boards with multiple columns and cards that can be organized and tracked in a visual workflow.
+
+## Motivation
+
+Kanban boards are a popular project management tool that enables visual organization of tasks and workflows. Adding native Kanban support to Nostr allows for decentralized project management while maintaining the platform's permissionless and censorship-resistant nature.
+
+## Specification
+
+### Board Event 
+
+```javascript
+{
+"created_at": 34324234234, //<Unix timestamp in seconds>
+"kind": 30301,
+"content": {
+"description" : "Board Description", // can contain markdown too
+"columnMapping": 'EXACT' //map the card's status exactly with column name - Extensible to different logics in future
+"columns": [
+{
+"id": "col1",
+"name": "To Do",
+"order": 0
+},
+{
+"id": "col2",
+"name": "In Progress",
+"order": 1
+},
+{
+"id": "col3",
+"name": "Done",
+"order": 2
+}
+]
+},
+"tags": [
+["d", "<board-d-identifier>"],
+["title", "Board Name"],
+// List of all cards in the board below
+["a", "30302:<card-1-event-author-pubkey>:<card-1-d-identifier>", "<optional-relay-url>"],
+["a", "30302:<card-2-event-author-pubkey>:<card-2-d-identifier>", "<optional-relay-url>"],
+["a", "30302:<card-3-event-author-pubkey>:<card-3-d-identifier>", "<optional-relay-url>"],
+],
+// other fields...
+}
+```
+
+### Card Event
+
+```javascript
+{
+"created_at": 34324234234, //<Unix timestamp in seconds>
+"kind": 30302,
+"content": {
+"status": "To do", // Match exactly with column name
+"description": "Card description", //can contain markdown too
+"order": 0, // auto-increment new card order in increments of 10 to provide space for rearranging to an extent
+"attachments": [
+    "https://example.com/file1.png",
+    "https://example.com/file2.pdf"
+]
+},
+"tags": [
+["d", "<card-d-identifier>"],
+["title", "Card Title"]
+],
+// other fields...
+}
+```
+
+### Event Kinds
+
+- 30301: Kanban Board Definition
+- 30302: Kanban Card
+
+### Required Tags
+
+#### Board Events (kind: 30301)
+- `d`: Unique identifier for the board
+- `title`: Board name
+- `a`: One for each card in the board
+
+#### Card Events (kind: 30302)
+- `d`: Unique identifier for the card
+- `title`: Card title
+
+### Access Control
+
+1. Only the board creator can:
+   - Modify board
+   - Add a card to the board
+
+2. Only the card creator can:
+   - Modify cards (including the status)
+
+3. Any user can:
+   - View the board and cards
+   - React, comment, zap on board and cards
+
+### Client Behavior
+
+Clients SHOULD:
+- Display boards in a visual column layout
+- Allow drag-and-drop card movement for authorized users
+- Support board sharing via nostr: URI scheme
+- Implement proper authorization checks before allowing modifications
+
+Clients MAY:
+- Implement additional features like card labels, due dates, or assignments
+- Support board templates
+- Provide filtering and search capabilities
+
+## Security Considerations
+
+1. Clients MUST verify event signatures and delegation tokens before allowing modifications
+2. Relays MAY implement additional spam prevention measures
+
+## Implementation Notes
+
+To maintain a consistent board state:
+
+1. Clients should handle concurrent updates by:
+   - Using the event timestamp to resolve conflicts
+   - Maintaining card order within columns
+
+2. For performance, clients should:
+   - Cache board and card data locally
+   - Use efficient subscription filters when requesting updates
+
+## Client-Relay Communication Example
+
+```javascript
+// Subscribe to the cards of a board
+{
+"kinds": [30302],
+"#a": ["30302:<card-1-event-author-pubkey>:<card-1-d-identifier>","30302:<card-2-event-author-pubkey>:<card-2-d-identifier>",...]
+}
+```