diff --git a/CHANGELOG.md b/CHANGELOG.md
index 283716a7..ac6ef983 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 * Add reply to long-press menu
 * Fix @-mentions
+* Replace nsec.app signup with njump.me
 
 # 0.2.5
 
diff --git a/src/app/components/SignUp.svelte b/src/app/components/SignUp.svelte
index 83bc0e57..8c339c8c 100644
--- a/src/app/components/SignUp.svelte
+++ b/src/app/components/SignUp.svelte
@@ -1,107 +1,50 @@
 <script lang="ts">
-  import {postJson, assoc} from "@welshman/lib"
-  import {makeSecret, Nip46Broker} from "@welshman/signer"
-  import {pubkey, loadHandle, updateSession} from "@welshman/app"
+  import {postJson} from "@welshman/lib"
+  import {isMobile} from "@lib/html"
   import Icon from "@lib/components/Icon.svelte"
-  import Field from "@lib/components/Field.svelte"
   import FieldInline from "@lib/components/FieldInline.svelte"
-  import Link from "@lib/components/Link.svelte"
   import Button from "@lib/components/Button.svelte"
   import Divider from "@lib/components/Divider.svelte"
   import Spinner from "@lib/components/Spinner.svelte"
   import LogIn from "@app/components/LogIn.svelte"
   import InfoNostr from "@app/components/InfoNostr.svelte"
   import SignUpSuccess from "@app/components/SignUpSuccess.svelte"
-  import {pushModal, clearModals} from "@app/modal"
-  import {setChecked} from "@app/notifications"
-  import {BURROW_URL, PLATFORM_NAME, NIP46_PERMS} from "@app/state"
+  import {pushModal} from "@app/modal"
+  import {BURROW_URL, PLATFORM_NAME} from "@app/state"
   import {pushToast} from "@app/toast"
-  import {loginWithNip46} from "@app/commands"
 
-  const relays = ["wss://relay.nsec.app"]
+  const ac = window.location.origin
 
-  const signerDomain = "nsec.app"
+  const at = isMobile ? "android" : "web"
 
-  const signerPubkey = "e24a86943d37a91ab485d6f9a7c66097c25ddd67e8bd1b75ed252a3c266cf9bb"
+  const nstart = `https://start.njump.me/?an=Flotilla&at=${at}&ac=${ac}`
 
   const login = () => pushModal(LogIn)
 
-  const withLoading =
-    (cb: (...args: any[]) => any) =>
-    async (...args: any[]) => {
-      loading = true
+  const signupPassword = async () => {
+    loading = true
 
-      try {
-        await cb(...args)
-      } finally {
-        loading = false
+    try {
+      const res = await postJson(BURROW_URL + "/user", {email, password})
+
+      if (res.error) {
+        pushToast({message: res.error, theme: "error"})
+      } else {
+        pushModal(SignUpSuccess, {email}, {replaceState: true})
       }
+    } finally {
+      loading = false
     }
-
-  const signupPassword = withLoading(async () => {
-    const res = await postJson(BURROW_URL + "/user", {email, password})
-
-    if (res.error) {
-      return pushToast({message: res.error, theme: "error"})
-    }
-
-    pushModal(SignUpSuccess, {email}, {replaceState: true})
-  })
-
-  const signupNsecApp = withLoading(async () => {
-    const handle = await loadHandle(`${username}@${signerDomain}`)
-
-    if (handle?.pubkey) {
-      return pushToast({
-        theme: "error",
-        message: "Sorry, it looks like that account already exists. Try logging in instead.",
-      })
-    }
-
-    const clientSecret = makeSecret()
-    const broker = Nip46Broker.get({
-      relays,
-      clientSecret,
-      signerPubkey,
-      algorithm: "nip04",
-    })
-
-    const userPubkey = await broker.createAccount(username, signerDomain, NIP46_PERMS)
-
-    if (!userPubkey) {
-      return pushToast({
-        theme: "error",
-        message: "Sorry, it looks like something went wrong. Please try again.",
-      })
-    }
-
-    // Now we can log in. Use the user's pubkey for the handler (legacy stuff)
-    const success = await loginWithNip46({relays, signerPubkey: userPubkey, clientSecret})
-
-    if (!success) {
-      return pushToast({
-        theme: "error",
-        message: "Sorry, it looks like something went wrong. Please try again.",
-      })
-    }
-
-    updateSession($pubkey!, assoc("email", email))
-    pushToast({message: "Successfully logged in!"})
-    setChecked("*")
-    clearModals()
-  })
+  }
 
   const signup = () => {
     if (BURROW_URL) {
       signupPassword()
-    } else {
-      signupNsecApp()
     }
   }
 
   let email = ""
   let password = ""
-  let username = ""
   let loading = false
 </script>
 
@@ -136,29 +79,12 @@
       on other nostr applications, you can create a nostr key yourself, or export your key from {PLATFORM_NAME}
       later.
     </p>
-  {:else}
-    <Field>
-      <div class="flex items-center gap-2" slot="input">
-        <label class="input input-bordered flex w-full items-center gap-2">
-          <Icon icon="user-rounded" />
-          <input bind:value={username} class="grow" type="text" placeholder="username" />
-        </label>
-        @{signerDomain}
-      </div>
-    </Field>
-    <Button type="submit" class="btn btn-primary" disabled={loading || !username}>
-      <Spinner {loading}>Sign Up</Spinner>
-      <Icon icon="alt-arrow-right" />
-    </Button>
+    <Divider>Or</Divider>
   {/if}
-  <Divider>Or</Divider>
-  <Link
-    external
-    href="https://nosta.me"
-    class="btn {username || email || password ? 'btn-neutral' : 'btn-primary'}">
+  <a href={nstart} class="btn {email || password ? 'btn-neutral' : 'btn-primary'}">
     <Icon icon="square-share-line" />
-    Get started on Nosta.me
-  </Link>
+    Get started on njump
+  </a>
   <div class="text-sm">
     Already have an account?
     <Button class="link" on:click={login}>Log in instead</Button>
diff --git a/src/lib/util.ts b/src/lib/util.ts
index c4b9d03a..8c9f1bcd 100644
--- a/src/lib/util.ts
+++ b/src/lib/util.ts
@@ -1,3 +1,6 @@
+import {hexToBytes, bytesToHex} from "@noble/hashes/utils"
+import * as nip19 from "nostr-tools/nip19"
+
 export const displayList = <T>(xs: T[], conj = "and", n = 6, locale = "en-US") => {
   const stringItems = xs.map(String)
 
@@ -11,3 +14,13 @@ export const displayList = <T>(xs: T[], conj = "and", n = 6, locale = "en-US") =
 
   return new Intl.ListFormat(locale, {style: "long", type: "conjunction"}).format(stringItems)
 }
+
+export const nsecEncode = (secret: string) => nip19.nsecEncode(hexToBytes(secret))
+
+export const nsecDecode = (nsec: string) => {
+  const {type, data} = nip19.decode(nsec)
+
+  if (type !== "nsec") throw new Error(`Invalid nsec: ${nsec}`)
+
+  return bytesToHex(data)
+}
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index cb2b8a5f..508a46a7 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -1,10 +1,11 @@
 <script lang="ts">
   import "@src/app.css"
   import {onMount} from "svelte"
-  import {nip19} from "nostr-tools"
+  import * as nip19 from "nostr-tools/nip19"
   import {get, derived} from "svelte/store"
   import {App} from "@capacitor/app"
   import {dev} from "$app/environment"
+  import {goto} from "$app/navigation"
   import {bytesToHex, hexToBytes} from "@noble/hashes/utils"
   import {identity, sleep, take, sortBy, ago, now, HOUR, WEEK, MONTH, Worker} from "@welshman/lib"
   import type {TrustedEvent} from "@welshman/util"
@@ -21,6 +22,7 @@
     getPubkeyTagValues,
     getListTags,
   } from "@welshman/util"
+  import {Nip46Broker, getPubkey, makeSecret} from "@welshman/signer"
   import {
     relays,
     handles,
@@ -39,6 +41,7 @@
     getRelayUrls,
     subscribe,
     userInboxRelaySelections,
+    addSession,
   } from "@welshman/app"
   import * as lib from "@welshman/lib"
   import * as util from "@welshman/util"
@@ -49,9 +52,10 @@
   import ModalContainer from "@app/components/ModalContainer.svelte"
   import {setupTracking} from "@app/tracking"
   import {setupAnalytics} from "@app/analytics"
+  import {nsecDecode} from "@lib/util"
   import {theme} from "@app/theme"
   import {INDEXER_RELAYS, userMembership, ensureUnwrapped, canDecrypt} from "@app/state"
-  import {loadUserData} from "@app/commands"
+  import {loadUserData, loginWithNip46} from "@app/commands"
   import {listenForNotifications} from "@app/requests"
   import * as commands from "@app/commands"
   import * as requests from "@app/requests"
@@ -82,6 +86,34 @@
       ...notifications,
     })
 
+    // Nstart login
+    if (window.location.hash?.startsWith("#nostr-login")) {
+      const params = new URLSearchParams(window.location.hash.slice(1))
+      const login = params.get("nostr-login")
+
+      let success = false
+
+      try {
+        if (login?.startsWith("bunker://")) {
+          success = await loginWithNip46({
+            clientSecret: makeSecret(),
+            ...Nip46Broker.parseBunkerUrl(login),
+          })
+        } else if (login) {
+          const secret = nsecDecode(login)
+
+          addSession({method: "nip01", secret, pubkey: getPubkey(secret)})
+          success = true
+        }
+      } catch (e) {
+        console.error(e)
+      }
+
+      if (success) {
+        goto("/home")
+      }
+    }
+
     if (!db) {
       setupTracking()
       setupAnalytics()