diff --git a/src/lib/components/Board.svelte b/src/lib/components/Board.svelte
index 6747d0b..dd81375 100644
--- a/src/lib/components/Board.svelte
+++ b/src/lib/components/Board.svelte
@@ -4,10 +4,10 @@
 	import { dndzone } from 'svelte-dnd-action';
 	import AddColumnModal from './AddColumnModal.svelte';
 	import AddCardModal from './AddCardModal.svelte';
-	import { cardsForColumn, columnsForBoard, selectedColumn, currentBoard } from '$lib/db';
-	import { publishBoard, publishCards } from '$lib/ndk';
+	import { cardsForColumn, columnsForBoard, selectedColumn, currentBoard, user } from '$lib/db';
+	import { eventTitle, publishBoard, publishCards } from '$lib/ndk';
 
-	export let boardId;
+	export let boardAddress;
 
 	let addColumnModal;
 	let addCardModal;
@@ -23,7 +23,6 @@
 		col.items = cardsForColumn(col.id);
 		return col;
 	});
-	$: console.log('items', items);
 
 	const flipDurationMs = 200;
 
@@ -62,8 +61,12 @@
 	}
 </script>
 
-<button class="btn" on:click={openColumnModal}>Add column</button>
-
+<div class="flex flex-row items-center justify-between">
+	<h1 class="ml-5 text-lg">{eventTitle($currentBoard)}</h1>
+	{#if $user && $user.pubkey === $currentBoard.pubkey}
+		<button class="btn mr-5" on:click={openColumnModal}>Add column</button>
+	{/if}
+</div>
 <section
 	class="board flex flex-nowrap"
 	use:dndzone={{ items, flipDurationMs, type: 'columns' }}
@@ -72,17 +75,25 @@
 >
 	{#each items as column (column.id)}
 		<div class="column" animate:flip={{ duration: flipDurationMs }}>
-			<div class="column-title">{column.dTag}</div>
-			<button class="btn" on:click={() => deleteColumn(column.id)}>Delete Column</button>
-			<div>
-				<button
-					class="btn"
-					on:click={() => {
-						// set selected columns
-						$selectedColumn = column.dTag;
-						openCardModal();
-					}}>Add Card</button
-				>
+			<div class="flex">
+				<div class="column-title">{column.dTag}</div>
+				{#if $user && $user.pubkey === $currentBoard.pubkey}
+					<button class="btn btn-error ml-auto mr-0" on:click={() => deleteColumn(column.id)}
+						>🗑️</button
+					>
+				{/if}
+			</div>
+			<div class="flex">
+				{#if $user && $user.pubkey === $currentBoard.pubkey}
+					<button
+						class="btn mx-auto"
+						on:click={() => {
+							// set selected columns
+							$selectedColumn = column.dTag;
+							openCardModal();
+						}}>Add Card</button
+					>
+				{/if}
 			</div>
 			<div
 				class="column-content"
diff --git a/src/lib/components/BoardCard.svelte b/src/lib/components/BoardCard.svelte
index 4669685..4e5e2f4 100644
--- a/src/lib/components/BoardCard.svelte
+++ b/src/lib/components/BoardCard.svelte
@@ -1,16 +1,28 @@
 <script>
-	import { setBoard } from '$lib/db';
-	import { eventTitle } from '$lib/ndk';
+	import { setBoard, user, userBoards } from '$lib/db';
+	import { eventTitle, forkBoard, deleteBoard } from '$lib/ndk';
 	export let board;
 </script>
 
-<div class="card w-96 bg-base-100 shadow-xl">
+<div class="card w-96 flex-none bg-base-100 shadow-xl">
 	<div class="card-body">
 		<h2 class="card-title">{eventTitle(board)}</h2>
 		<div class="card-actions justify-end">
-			<a onclick={() => setBoard(board)} href={`/board/${board.dTag}`} class="btn btn-primary"
-				>Open Board</a
+			{#if $user && board.pubkey !== $user?.pubkey}
+				{#if $userBoards.map((e) => e.dTag).includes(board.dTag)}
+					<p class="text-info">Already forked</p>
+				{:else}
+					<button onclick={() => forkBoard(board)} class="btn btn-success">Fork</button>
+				{/if}
+			{/if}
+			<a
+				onclick={() => setBoard(board)}
+				href={`/board/${board.tagAddress()}`}
+				class="btn btn-primary">Open Board</a
 			>
+			{#if $user && $userBoards.map((e) => e.dTag).includes(board.dTag)}
+				<button onclick={() => deleteBoard(board)} class="btn btn-error">🗑️</button>
+			{/if}
 		</div>
 	</div>
 </div>
diff --git a/src/lib/components/Navbar.svelte b/src/lib/components/Navbar.svelte
index 0e4c28e..c9a7c44 100644
--- a/src/lib/components/Navbar.svelte
+++ b/src/lib/components/Navbar.svelte
@@ -1,5 +1,5 @@
 <script>
-	import { db } from '$lib/db';
+	import { db, user } from '$lib/db';
 	import { login } from '$lib/ndk';
 </script>
 
@@ -9,21 +9,18 @@
 	</div>
 	<div class="flex-none gap-2">
 		<div class="form-control">
-			<input type="text" placeholder="Search" class="input input-bordered w-24 md:w-auto" />
+			<!-- <input type="text" placeholder="Search" class="input input-bordered w-24 md:w-auto" /> -->
 		</div>
-		{#if $db.user}
+		{#if $user}
 			<div class="dropdown dropdown-end">
-				<div tabindex="0" role="button" class="btn btn-ghost btn-circle avatar">
+				<div tabindex="0" role="button" class="avatar btn btn-circle btn-ghost">
 					<div class="w-10 rounded-full">
-						<img
-							alt="Tailwind CSS Navbar component"
-							src="https://img.daisyui.com/images/stock/photo-1534528741775-53994a69daeb.webp"
-						/>
+						<img alt="" src={`https://robohash.org/${$user.pubkey}`} />
 					</div>
 				</div>
 				<ul
 					tabindex="0"
-					class="menu menu-sm dropdown-content bg-base-100 rounded-box z-[1] mt-3 w-52 p-2 shadow"
+					class="menu dropdown-content menu-sm z-[1] mt-3 w-52 rounded-box bg-base-100 p-2 shadow"
 				>
 					<li>
 						<a class="justify-between">
@@ -40,7 +37,7 @@
 				<button class="btn">Login</button>
 				<ul
 					tabindex="0"
-					class="menu menu-sm dropdown-content bg-base-100 rounded-box z-[1] mt-3 w-52 p-2 shadow"
+					class="menu dropdown-content menu-sm z-[1] mt-3 w-52 rounded-box bg-base-100 p-2 shadow"
 				>
 					<li><a onclick={() => login('browser-extension')}>Browser Extension</a></li>
 				</ul>
diff --git a/src/lib/db.js b/src/lib/db.js
index 67e1977..7140eec 100644
--- a/src/lib/db.js
+++ b/src/lib/db.js
@@ -3,28 +3,39 @@ import NDK from '@nostr-dev-kit/ndk';
 import { columnsDsFromBoard } from './ndk';
 
 export const events = writable([]);
+
 export const boards = derived(events, ($events) => {
 	const allBoards = $events.filter((e) => e.kind === 30043);
 	const deduped = deduplicateKeepMostRecent(allBoards);
 	return deduped;
 });
-export const currentBoardId = writable('');
-export const currentBoard = derived(currentBoardId, ($currentBoardId) => {
-	return get(events).find((e) => e.dTag === $currentBoardId);
+export const currentBoardAddress = writable('');
+export const currentBoard = derived(currentBoardAddress, ($currentBoardAddress) => {
+	console.log('looking for current board');
+	const board = get(events).find((e) => e.tagAddress() === $currentBoardAddress);
+	console.log(board);
+	return board;
 });
 export const columns = derived(events, ($events) => {
 	const allColumns = $events.filter((e) => e.kind === 30044);
 	const deduped = deduplicateKeepMostRecent(allColumns);
-	return deduped;
+	const sorted = deduped.sort((a, b) => {
+		return b.created_at - a.created_at;
+	});
+	return sorted;
 });
 export const columnsForBoard = derived(
-	[events, boards, columns, currentBoardId],
-	([$events, $boards, $columns, $currentBoardId]) => {
-		let currentBoard = $boards.find((e) => e.dTag === $currentBoardId);
+	[events, boards, columns, currentBoardAddress],
+	([$events, $boards, $columns, $currentBoardAddress]) => {
+		let currentBoard = $boards.find((e) => e.tagAddress() === $currentBoardAddress);
+		if (currentBoard === undefined) {
+			return [];
+		}
 		let boardColumnIds = columnsDsFromBoard(currentBoard);
 		const cols = boardColumnIds.map((d) => {
 			return $columns.find((c) => c.tagAddress() === d);
 		});
+		if (cols.includes(undefined)) return [];
 		return cols;
 	}
 );
@@ -49,6 +60,13 @@ export const cardsForColumn = (columnId) => {
 	}
 };
 
+export const user = writable(null);
+
+export const userBoards = derived([user, boards], ([$user, $boards]) => {
+	const newUserBoards = $boards.filter((b) => b.pubkey === $user.pubkey);
+	return newUserBoards;
+});
+
 export const db = writable({
 	user: null,
 	ndk: await initNDK(),
@@ -60,6 +78,20 @@ async function initNDK() {
 		explicitRelayUrls: ['ws://localhost:10547']
 	});
 	await ndk.connect();
+
+	const sub = ndk.subscribe({ kinds: [30043, 30044, 30045] }); // listen for boards, columns indexes
+	sub.on('event', async (event) => {
+		events.update((events) => [...events, event]);
+	});
+
+	const subDelete = ndk.subscribe({ kinds: [5] });
+	subDelete.on('event', async (event) => {
+		const toBeDeletedDs = event.getMatchingTags('a').map((e) => e[1].split(':')[2]);
+		events.update((events) => {
+			return events.filter((e) => !toBeDeletedDs.includes(e.dTag));
+		});
+	});
+
 	return ndk;
 }
 
diff --git a/src/lib/ndk.js b/src/lib/ndk.js
index 9d41fc7..6849078 100644
--- a/src/lib/ndk.js
+++ b/src/lib/ndk.js
@@ -1,6 +1,13 @@
 import NDK, { NDKNip07Signer, NDKEvent } from '@nostr-dev-kit/ndk';
 import { get } from 'svelte/store';
-import { db, events, currentBoardId, currentBoard, selectedColumn } from '$lib/db';
+import {
+	db,
+	events,
+	currentBoardAddress,
+	currentBoard,
+	selectedColumn,
+	user as userStore
+} from '$lib/db';
 
 export async function login(method) {
 	const nip07signer = new NDKNip07Signer();
@@ -11,6 +18,8 @@ export async function login(method) {
 		case 'browser-extension': {
 			console.log('login with extension');
 			const user = await nip07signer.user();
+			userStore.set(user);
+			console.log('user', user);
 			db.update((db) => {
 				return { ...db, ndk, user };
 			});
@@ -28,17 +37,21 @@ export function addBoard(board) {
 
 export async function addColumn(column) {
 	const ndk = get(db).ndk;
+	const user = get(userStore);
 	const columnEvent = new NDKEvent(ndk, { kind: 30044, content: 'Column Event' });
 	columnEvent.tags = [['title', column.title]];
 	await columnEvent.publish();
 
 	// add column to Board
-	const existingBoard = await ndk.fetchEvent({
-		kinds: [30043],
-		authors: [columnEvent.pubkey],
-		'#d': [get(currentBoardId)]
-	});
-	existingBoard.tags.push(['a', `30044:${columnEvent.pubkey}:${columnEvent.dTag}`]);
+	const boardD = get(currentBoard).dTag;
+	console.log('board dtag', boardD);
+	// const existingBoard = await ndk.fetchEvent({
+	// 	kinds: [30043],
+	// 	authors: [user.pubkey],
+	// 	'#d': [get(currentBoard).dTag]
+	// });
+	const existingBoard = new NDKEvent(ndk, get(currentBoard));
+	existingBoard.tags.push(['a', `30044:${user.pubkey}:${columnEvent.dTag}`]);
 	existingBoard.publishReplaceable();
 }
 
@@ -49,7 +62,7 @@ export async function addCard(card) {
 
 	const columnEvent = await ndk.fetchEvent({
 		kinds: [30044],
-		authors: [cardEvent.pubkey],
+		// authors: [cardEvent.pubkey],
 		'#d': [get(selectedColumn)]
 	});
 	columnEvent.tags.push(['a', `${cardEvent.kind}:${cardEvent.pubkey}:${cardEvent.dTag}`]);
@@ -126,8 +139,8 @@ export async function publishBoard(board) {
 	const ndk = get(db).ndk;
 	const existingBoard = await ndk.fetchEvent({
 		kinds: [30043],
-		authors: [board.pubkey],
-		'#d': [get(currentBoardId)]
+		// authors: [board.pubkey],
+		'#d': [get(currentBoardAddress)]
 	});
 	const columnIds = board.items.map((e) => e.dTag);
 	let tags = existingBoard.tags.filter((t) => t[0] !== 'a');
@@ -142,7 +155,7 @@ export async function publishCards(column) {
 	const ndk = get(db).ndk;
 	const existingColumn = await ndk.fetchEvent({
 		kinds: [30044],
-		authors: [column.pubkey],
+		// authors: [column.pubkey],
 		ids: [column.id]
 	});
 	const cardIds = column.items.map((e) => e.dTag);
@@ -153,3 +166,18 @@ export async function publishCards(column) {
 	existingColumn.tags = tags;
 	existingColumn.publishReplaceable();
 }
+
+export async function forkBoard(board) {
+	const ndk = get(db).ndk;
+	const userBoard = new NDKEvent(ndk, {
+		kind: board.kind,
+		content: board.content,
+		tags: board.tags
+	});
+	userBoard.publish();
+}
+
+export async function deleteBoard(board) {
+	const ndk = get(db).ndk;
+	const deletionEvent = await new NDKEvent(ndk, board).delete('user said so', true);
+}
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index 8b21b7f..94dbbc6 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -1,6 +1,6 @@
 <script>
 	import { onMount } from 'svelte';
-	import { db, boards } from '$lib/db';
+	import { db, boards, user, userBoards } from '$lib/db';
 	import { getBoards } from '$lib/ndk';
 	import AddBoardModal from '$lib/components/AddBoardModal.svelte';
 	import BoardCard from '$lib/components/BoardCard.svelte';
@@ -16,14 +16,35 @@
 	});
 </script>
 
-<button onclick={openModal}>Add Board</button>
+<div class="flex w-full">
+	<button class="btn ml-auto mr-2" disabled={!$user} onclick={openModal}>Add Board</button>
+</div>
 <AddBoardModal bind:modalRef={addBoardModal} />
 
-<h1>Boards</h1>
-{#if $boards.length > 0}
-	<div class="flex flex-wrap gap-2">
-		{#each $boards as board (board.id)}
-			<BoardCard {board} />
-		{/each}
-	</div>
-{/if}
+<div class="flex w-full flex-col gap-2">
+	{#if $user}
+		<h1 class="mx-auto text-lg">Your Boards</h1>
+		<div class="grid grid-flow-col grid-rows-2 gap-2 overflow-x-auto">
+			{#key $userBoards}
+				{#each $userBoards as board (board.id)}
+					<BoardCard {board} />
+				{/each}
+			{/key}
+		</div>
+	{/if}
+
+	{#if $boards.length > 0}
+		<h1 class="mx-auto text-lg">Alle Boards</h1>
+		<div class="flex flex-wrap justify-start gap-2">
+			{#if $user}
+				{#each $boards.filter((e) => e.pubkey !== $user.pubkey) as board (board.id)}
+					<BoardCard {board} />
+				{/each}
+			{:else}
+				{#each $boards as board (board.id)}
+					<BoardCard {board} />
+				{/each}
+			{/if}
+		</div>
+	{/if}
+</div>
diff --git a/src/routes/board/[id]/+page.svelte b/src/routes/board/[id]/+page.svelte
index 4e69d1d..ed093ea 100644
--- a/src/routes/board/[id]/+page.svelte
+++ b/src/routes/board/[id]/+page.svelte
@@ -1,10 +1,10 @@
 <script>
 	import Board from '$lib/components/Board.svelte';
-	import { currentBoardId } from '$lib/db.js';
+	import { currentBoardAddress } from '$lib/db.js';
 	export let data;
 
-	console.log('data.id', data.id);
-	$currentBoardId = data.id;
+	console.log(data.id);
+	$currentBoardAddress = data.id;
 </script>
 
-<Board boardId={data.id} />
+<Board boardAddress={data.id} />