diff --git a/packages/app/__tests__/thunk.test.ts b/packages/app/__tests__/thunk.test.ts
index 037c0c5..f239dbb 100644
--- a/packages/app/__tests__/thunk.test.ts
+++ b/packages/app/__tests__/thunk.test.ts
@@ -1,6 +1,5 @@
 import {PublishStatus, LOCAL_RELAY_URL} from "@welshman/net"
-import {NOTE, DIRECT_MESSAGE, WRAP, makeEvent} from "@welshman/util"
-import {getPubkey, makeSecret, prep} from "@welshman/signer"
+import {NOTE, DIRECT_MESSAGE, WRAP, makeEvent, getPubkey, makeSecret, prep} from "@welshman/util"
 import {afterEach, beforeEach, describe, expect, it, vi} from "vitest"
 import {repository, tracker} from "../src/core"
 import {addSession, dropSession, makeNip01Session} from "../src/session"
diff --git a/packages/app/src/session.ts b/packages/app/src/session.ts
index a7ef5ba..3735c7e 100644
--- a/packages/app/src/session.ts
+++ b/packages/app/src/session.ts
@@ -8,6 +8,7 @@ import {
   HashedEvent,
   StampedEvent,
   SignedEvent,
+  getPubkey,
 } from "@welshman/util"
 import {
   Nip59,
@@ -17,7 +18,6 @@ import {
   Nip07Signer,
   Nip01Signer,
   Nip55Signer,
-  getPubkey,
   ISigner,
 } from "@welshman/signer"
 import {WrapManager} from "@welshman/net"
diff --git a/packages/app/src/thunk.ts b/packages/app/src/thunk.ts
index 9d50aa2..214a392 100644
--- a/packages/app/src/thunk.ts
+++ b/packages/app/src/thunk.ts
@@ -12,7 +12,14 @@ import {
   nth,
   without,
 } from "@welshman/lib"
-import {HashedEvent, EventTemplate, SignedEvent, isSignedEvent, WRAPPED_KINDS} from "@welshman/util"
+import {
+  HashedEvent,
+  EventTemplate,
+  SignedEvent,
+  isSignedEvent,
+  WRAPPED_KINDS,
+  prep,
+} from "@welshman/util"
 import {
   publish,
   PublishStatus,
@@ -20,7 +27,7 @@ import {
   PublishOptions,
   PublishResultsByRelay,
 } from "@welshman/net"
-import {ISigner, Nip59, prep} from "@welshman/signer"
+import {ISigner, Nip59} from "@welshman/signer"
 import {repository, tracker} from "./core.js"
 import {pubkey, signer, wrapManager} from "./session.js"
 
diff --git a/packages/editor/src/index.ts b/packages/editor/src/index.ts
index 01cad3f..17c0b49 100644
--- a/packages/editor/src/index.ts
+++ b/packages/editor/src/index.ts
@@ -2,4 +2,4 @@ export * from "./nodeviews/index.js"
 export * from "./extensions/index.js"
 export * from "./plugins/index.js"
 export {Editor, NodeViewProps} from "@tiptap/core"
-export {UploadTask, FileAttributes} from "nostr-editor"
+export {UploadTask, FileAttributes, editorProps} from "nostr-editor"
diff --git a/packages/lib/src/Tools.ts b/packages/lib/src/Tools.ts
index 8618b26..98ffe41 100644
--- a/packages/lib/src/Tools.ts
+++ b/packages/lib/src/Tools.ts
@@ -1032,6 +1032,13 @@ export const tryCatch = <T>(f: () => T, onError?: (e: Error) => void): T | undef
   return undefined
 }
 
+/**
+ * Throws an error with the given message
+ */
+export const thrower = (message: string) => () => {
+  throw new Error(message)
+}
+
 /**
  * Creates function that only executes once
  * @param f - Function to wrap
diff --git a/packages/net/__tests__/adapter.test.ts b/packages/net/__tests__/adapter.test.ts
index f2f42dd..7088e7d 100644
--- a/packages/net/__tests__/adapter.test.ts
+++ b/packages/net/__tests__/adapter.test.ts
@@ -1,6 +1,5 @@
 import {describe, expect, it, vi, beforeEach, afterEach} from "vitest"
-import {makeEvent} from "@welshman/util"
-import {prep, getPubkey, makeSecret} from "@welshman/signer"
+import {makeEvent, prep, getPubkey, makeSecret} from "@welshman/util"
 import {AdapterEvent, SocketAdapter, LocalAdapter, getAdapter} from "../src/adapter"
 import {Repository, LOCAL_RELAY_URL} from "../src/repository"
 import {ClientMessage, RelayMessage} from "../src/message"
diff --git a/packages/signer/src/nip59.ts b/packages/signer/src/nip59.ts
index 8c16117..09bcce0 100644
--- a/packages/signer/src/nip59.ts
+++ b/packages/signer/src/nip59.ts
@@ -1,5 +1,14 @@
-import {isHashedEvent, SignedEvent, HashedEvent, StampedEvent, WRAP, SEAL} from "@welshman/util"
-import {prep, hash, decrypt, ISigner} from "./util.js"
+import {
+  isHashedEvent,
+  SignedEvent,
+  HashedEvent,
+  StampedEvent,
+  WRAP,
+  SEAL,
+  prep,
+  hash,
+} from "@welshman/util"
+import {decrypt, ISigner} from "./util.js"
 import {Nip01Signer} from "./signers/nip01.js"
 
 export const seen = new Map<string, HashedEvent | Error>()
diff --git a/packages/signer/src/signers/nip01.ts b/packages/signer/src/signers/nip01.ts
index 70318c1..f2e41a6 100644
--- a/packages/signer/src/signers/nip01.ts
+++ b/packages/signer/src/signers/nip01.ts
@@ -1,16 +1,5 @@
-import {StampedEvent} from "@welshman/util"
-import {
-  nip04,
-  nip44,
-  own,
-  hash,
-  sign,
-  getPubkey,
-  ISigner,
-  SignOptions,
-  signWithOptions,
-  makeSecret,
-} from "../util.js"
+import {StampedEvent, own, hash, sign, getPubkey, makeSecret} from "@welshman/util"
+import {nip04, nip44, ISigner, SignOptions, signWithOptions} from "../util.js"
 
 export class Nip01Signer implements ISigner {
   #pubkey: string
diff --git a/packages/signer/src/signers/nip07.ts b/packages/signer/src/signers/nip07.ts
index e3f1f23..29167b8 100644
--- a/packages/signer/src/signers/nip07.ts
+++ b/packages/signer/src/signers/nip07.ts
@@ -1,14 +1,6 @@
 import {noop} from "@welshman/lib"
-import {StampedEvent} from "@welshman/util"
-import {
-  hash,
-  own,
-  signWithOptions,
-  SignOptions,
-  Sign,
-  ISigner,
-  EncryptionImplementation,
-} from "../util.js"
+import {StampedEvent, hash, own} from "@welshman/util"
+import {signWithOptions, SignOptions, Sign, ISigner, EncryptionImplementation} from "../util.js"
 
 export type Nip07 = {
   signEvent: Sign
diff --git a/packages/signer/src/signers/nip46.ts b/packages/signer/src/signers/nip46.ts
index b1ce1bc..747205b 100644
--- a/packages/signer/src/signers/nip46.ts
+++ b/packages/signer/src/signers/nip46.ts
@@ -5,17 +5,11 @@ import {
   TrustedEvent,
   StampedEvent,
   NOSTR_CONNECT,
-} from "@welshman/util"
-import {publish, request, AdapterContext} from "@welshman/net"
-import {
-  ISigner,
-  EncryptionImplementation,
-  signWithOptions,
-  SignOptions,
-  decrypt,
   hash,
   own,
-} from "../util.js"
+} from "@welshman/util"
+import {publish, request, AdapterContext} from "@welshman/net"
+import {ISigner, EncryptionImplementation, signWithOptions, SignOptions, decrypt} from "../util.js"
 import {Nip01Signer} from "./nip01.js"
 
 export type Nip46Context = {
diff --git a/packages/signer/src/signers/nip55.ts b/packages/signer/src/signers/nip55.ts
index 209b7b9..2ac14fe 100644
--- a/packages/signer/src/signers/nip55.ts
+++ b/packages/signer/src/signers/nip55.ts
@@ -1,7 +1,7 @@
 import {NostrSignerPlugin, AppInfo} from "nostr-signer-capacitor-plugin"
 import * as nip19 from "nostr-tools/nip19"
-import {SignedEvent, StampedEvent} from "@welshman/util"
-import {hash, own, signWithOptions, SignOptions, ISigner} from "../util.js"
+import {SignedEvent, StampedEvent, hash, own} from "@welshman/util"
+import {signWithOptions, SignOptions, ISigner} from "../util.js"
 
 export const getNip55 = async (): Promise<AppInfo[]> => {
   const {apps} = await NostrSignerPlugin.getInstalledSignerApps()
diff --git a/packages/signer/src/util.ts b/packages/signer/src/util.ts
index 339fed3..735e679 100644
--- a/packages/signer/src/util.ts
+++ b/packages/signer/src/util.ts
@@ -1,52 +1,8 @@
-import {schnorr} from "@noble/curves/secp256k1"
-import {bytesToHex, hexToBytes} from "@noble/hashes/utils"
+import {hexToBytes} from "@noble/hashes/utils"
 import * as nt04 from "nostr-tools/nip04"
 import * as nt44 from "nostr-tools/nip44"
-import {generateSecretKey, getPublicKey, getEventHash} from "nostr-tools/pure"
-import {Emitter, cached, now} from "@welshman/lib"
-import {
-  SignedEvent,
-  HashedEvent,
-  EventTemplate,
-  StampedEvent,
-  OwnedEvent,
-  isStampedEvent,
-  isOwnedEvent,
-  isHashedEvent,
-} from "@welshman/util"
-
-export const makeSecret = () => bytesToHex(generateSecretKey())
-
-export const getPubkey = (secret: string) => getPublicKey(hexToBytes(secret))
-
-export const getHash = (event: OwnedEvent) => getEventHash(event)
-
-export const getSig = (event: HashedEvent, secret: string) =>
-  bytesToHex(schnorr.sign(event.id, secret))
-
-export const stamp = (event: EventTemplate, created_at = now()) => ({...event, created_at})
-
-export const own = (event: StampedEvent, pubkey: string) => ({...event, pubkey})
-
-export const hash = (event: OwnedEvent) => ({...event, id: getHash(event)})
-
-export const prep = (event: EventTemplate, pubkey: string, created_at = now()) => {
-  if (!isStampedEvent(event as StampedEvent)) {
-    event = stamp(event, created_at)
-  }
-
-  if (!isOwnedEvent(event as OwnedEvent)) {
-    event = own(event as StampedEvent, pubkey)
-  }
-
-  if (!isHashedEvent(event as HashedEvent)) {
-    event = hash(event as OwnedEvent)
-  }
-
-  return event as HashedEvent
-}
-
-export const sign = (event: HashedEvent, secret: string) => ({...event, sig: getSig(event, secret)})
+import {Emitter, cached} from "@welshman/lib"
+import {SignedEvent, StampedEvent} from "@welshman/util"
 
 export const nip04 = {
   detect: (m: string) => m.includes("?iv="),
diff --git a/packages/util/package.json b/packages/util/package.json
index 54c255c..6b3e5fd 100644
--- a/packages/util/package.json
+++ b/packages/util/package.json
@@ -20,6 +20,7 @@
     "prepublishOnly": "pnpm run build"
   },
   "dependencies": {
+    "@noble/curves": "^1.8.1",
     "@types/ws": "^8.5.13",
     "@welshman/lib": "workspace:*",
     "js-base64": "^3.7.7",
diff --git a/packages/util/src/Keys.ts b/packages/util/src/Keys.ts
new file mode 100644
index 0000000..38f7451
--- /dev/null
+++ b/packages/util/src/Keys.ts
@@ -0,0 +1,46 @@
+import {schnorr} from "@noble/curves/secp256k1"
+import {bytesToHex, hexToBytes} from "@noble/curves/abstract/utils"
+import {generateSecretKey, getPublicKey, getEventHash} from "nostr-tools/pure"
+import {now} from "@welshman/lib"
+import {
+  HashedEvent,
+  EventTemplate,
+  StampedEvent,
+  OwnedEvent,
+  isStampedEvent,
+  isOwnedEvent,
+  isHashedEvent,
+} from "./Events.js"
+
+export const makeSecret = () => bytesToHex(generateSecretKey())
+
+export const getPubkey = (secret: string) => getPublicKey(hexToBytes(secret))
+
+export const getHash = (event: OwnedEvent) => getEventHash(event)
+
+export const getSig = (event: HashedEvent, secret: string) =>
+  bytesToHex(schnorr.sign(event.id, secret))
+
+export const stamp = (event: EventTemplate, created_at = now()) => ({...event, created_at})
+
+export const own = (event: StampedEvent, pubkey: string) => ({...event, pubkey})
+
+export const hash = (event: OwnedEvent) => ({...event, id: getHash(event)})
+
+export const sign = (event: HashedEvent, secret: string) => ({...event, sig: getSig(event, secret)})
+
+export const prep = (event: EventTemplate, pubkey: string, created_at = now()) => {
+  if (!isStampedEvent(event as StampedEvent)) {
+    event = stamp(event, created_at)
+  }
+
+  if (!isOwnedEvent(event as OwnedEvent)) {
+    event = own(event as StampedEvent, pubkey)
+  }
+
+  if (!isHashedEvent(event as HashedEvent)) {
+    event = hash(event as OwnedEvent)
+  }
+
+  return event as HashedEvent
+}
diff --git a/packages/util/src/Kinds.ts b/packages/util/src/Kinds.ts
index 5b66395..8d6ba99 100644
--- a/packages/util/src/Kinds.ts
+++ b/packages/util/src/Kinds.ts
@@ -139,9 +139,16 @@ export const MESSAGING_RELAYS = 10050
 export const BLOSSOM_SERVERS = 10063
 export const FILE_SERVERS = 10096
 export const RELAY_MEMBERS = 13534
+export const PROMENADE_REGISTER_ACCOUNT = 16430
 export const LIGHTNING_PUB_RPC = 21000
 export const CLIENT_AUTH = 22242
 export const BLOSSOM_AUTH = 24242
+export const PROMENADE_SHARD_SHARE = 26428
+export const PROMENADE_SHARD_ACK = 26429
+export const PROMENADE_CONFIG = 26430
+export const PROMENADE_COMMIT = 26431
+export const PROMENADE_REQUEST = 26432
+export const PROMENADE_RESULT = 26433
 export const RELAY_JOIN = 28934
 export const RELAY_INVITE = 28935
 export const RELAY_LEAVE = 28936
diff --git a/packages/util/src/Pow.ts b/packages/util/src/Pow.ts
new file mode 100644
index 0000000..61e5fc1
--- /dev/null
+++ b/packages/util/src/Pow.ts
@@ -0,0 +1,151 @@
+import {call} from "@welshman/lib"
+import {getTag} from "./Tags.js"
+import {makeSecret, own, getPubkey} from "./Keys.js"
+import {makeEvent, OwnedEvent, HashedEvent} from "./Events.js"
+
+export let benchmark = 0
+
+export const benchmarkDifficulty = 15
+
+export const estimateWork = (difficulty: number) =>
+  Math.ceil(benchmark * Math.pow(2, difficulty - benchmarkDifficulty))
+
+const workerCode = `
+// Utility function to convert bytes to hex
+function bytesToHex(bytes) {
+  return Array.from(bytes)
+    .map(b => b.toString(16).padStart(2, '0'))
+    .join('')
+}
+
+// Utility function to calculate proof of work from hash
+function getPow(id) {
+  let count = 0
+
+  for (let i = 0; i < 32; i++) {
+    const nibble = id[i]
+    if (nibble === 0) {
+      count += 8
+    } else {
+      count += Math.clz32(nibble) - 24
+      break
+    }
+  }
+
+  return count
+}
+
+self.onmessage = async function (ev) {
+  const {event, difficulty, start = 0, step = 1} = ev.data
+
+  let count = start
+
+  const tag = ["nonce", count.toString(), difficulty.toString()]
+
+  event.tags.push(tag)
+
+  const encoder = new TextEncoder()
+
+  while (true) {
+    count += step
+    tag[1] = count.toString()
+
+    // Create the event array as specified by NIP-01
+    const eventArray = [0, event.pubkey, event.created_at, event.kind, event.tags, event.content]
+    const eventString = JSON.stringify(eventArray)
+
+    // Use Web Crypto API for SHA-256 hashing
+    const messageBuffer = encoder.encode(eventString)
+    const hashBuffer = await crypto.subtle.digest('SHA-256', messageBuffer)
+    const hashArray = new Uint8Array(hashBuffer)
+
+    const pow = getPow(hashArray)
+
+    if (pow >= difficulty) {
+      event.id = bytesToHex(hashArray)
+      break
+    }
+  }
+
+  postMessage(event)
+}
+`
+
+const createPowWorker = (): Worker => {
+  if (typeof Worker === "undefined") {
+    throw new Error("Worker is not available in this environment")
+  }
+
+  const blob = new Blob([workerCode], {type: "application/javascript"})
+  const url = URL.createObjectURL(blob)
+  const worker = new Worker(url, {type: "module"})
+
+  // Clean up the blob URL after worker is created
+  URL.revokeObjectURL(url)
+
+  return worker
+}
+
+export type ProofOfWork = {
+  worker: Worker
+  result: Promise<HashedEvent>
+}
+
+export const makePow = (event: OwnedEvent, difficulty: number): ProofOfWork => {
+  const worker = createPowWorker()
+
+  const result = new Promise<HashedEvent>((resolve, reject) => {
+    worker.onmessage = (e: MessageEvent<HashedEvent>) => {
+      resolve(e.data)
+      worker.terminate()
+    }
+
+    worker.onerror = (e: ErrorEvent) => {
+      reject(e.error || e)
+      worker.terminate()
+    }
+
+    worker.postMessage({difficulty, event})
+  })
+
+  return {worker, result}
+}
+
+export const getPow = (event: HashedEvent): number => {
+  const difficulty = parseInt(getTag("nonce", event.tags)?.[2] || "")
+
+  if (isNaN(difficulty)) return 0
+
+  let count = 0
+
+  // Convert hex string to array of bytes
+  for (let i = 0; i < event.id.length; i += 2) {
+    const byte = parseInt(event.id.slice(i, i + 2), 16)
+    if (byte === 0) {
+      count += 8
+    } else {
+      count += Math.clz32(byte) - 24
+      break
+    }
+  }
+
+  return count >= difficulty ? difficulty : 0
+}
+
+// Generate a simple pow to estimate the device capacities
+call(() => {
+  // Only run benchmark if Worker is available (browser environment)
+  if (typeof Worker === "undefined") {
+    return
+  }
+
+  const secret = makeSecret()
+  const pubkey = getPubkey(secret)
+  const event = own(makeEvent(1, {}), pubkey)
+  const pow = makePow(event, benchmarkDifficulty)
+  const start = Date.now()
+
+  pow.result.then(() => {
+    benchmark = Date.now() - start
+  })
+})
diff --git a/packages/util/src/index.ts b/packages/util/src/index.ts
index 89de1df..bc26418 100644
--- a/packages/util/src/index.ts
+++ b/packages/util/src/index.ts
@@ -4,12 +4,14 @@ export * from "./Encryptable.js"
 export * from "./Events.js"
 export * from "./Filters.js"
 export * from "./Handler.js"
+export * from "./Keys.js"
 export * from "./Kinds.js"
 export * from "./Links.js"
 export * from "./List.js"
 export * from "./Nip42.js"
 export * from "./Nip86.js"
 export * from "./Nip98.js"
+export * from "./Pow.js"
 export * from "./Profile.js"
 export * from "./Relay.js"
 export * from "./Room.js"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index de61e86..ad02825 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -439,6 +439,9 @@ importers:
 
   packages/util:
     dependencies:
+      '@noble/curves':
+        specifier: ^1.8.1
+        version: 1.8.1
       '@types/ws':
         specifier: ^8.5.13
         version: 8.18.1