diff --git a/api/resolvers/wallet.js b/api/resolvers/wallet.js
index 4b21ac40..268b4ad9 100644
--- a/api/resolvers/wallet.js
+++ b/api/resolvers/wallet.js
@@ -24,6 +24,7 @@ import { lnAddrOptions } from '@/lib/lnurl'
 import { GqlAuthenticationError, GqlAuthorizationError, GqlInputError } from '@/lib/error'
 import { getNodeSockets, getOurPubkey } from '../lnd'
 import validateWallet from '@/wallets/validate'
+import { canReceive } from '@/wallets/common'
 
 function injectResolvers (resolvers) {
   console.group('injected GraphQL resolvers:')
@@ -43,9 +44,10 @@ function injectResolvers (resolvers) {
           field: walletDef.walletField,
           type: walletDef.walletType
         },
-        testCreateInvoice: walletDef.testCreateInvoice && validateLightning
-          ? (data) => walletDef.testCreateInvoice(data, { me, models })
-          : null
+        testCreateInvoice:
+          walletDef.testCreateInvoice && validateLightning && canReceive({ def: walletDef, config: data })
+            ? (data) => walletDef.testCreateInvoice(data, { me, models })
+            : null
       }, {
         settings,
         data,
diff --git a/components/banners.js b/components/banners.js
index a36f5b54..72387e7c 100644
--- a/components/banners.js
+++ b/components/banners.js
@@ -7,6 +7,7 @@ import { WELCOME_BANNER_MUTATION } from '@/fragments/users'
 import { useToast } from '@/components/toast'
 import { BALANCE_LIMIT_MSATS } from '@/lib/constants'
 import { msatsToSats, numWithUnits } from '@/lib/format'
+import Link from 'next/link'
 
 export function WelcomeBanner ({ Banner }) {
   const { me } = useMe()
@@ -132,7 +133,7 @@ export function WalletSecurityBanner ({ isActive }) {
         Listen up, pardner! Put a limit on yer spendin' wallet or hook up a wallet that's only for Stacker News. It'll keep them varmints from cleanin' out yer whole goldmine if they rustle up yer wallet.
       </p>
       <p className='line-height-md'>
-        Your spending wallet's credentials are never sent to our servers in plain text. To sync across devices, enable device sync in your settings.
+        Your spending wallet's credentials are never sent to our servers in plain text. To sync across devices, <Alert.Link as={Link} href='/settings/passphrase'>enable device sync in your settings</Alert.Link>.
       </p>
     </Alert>
   )
diff --git a/pages/settings/passphrase/index.js b/pages/settings/passphrase/index.js
index 612d53ca..d52e3a72 100644
--- a/pages/settings/passphrase/index.js
+++ b/pages/settings/passphrase/index.js
@@ -17,7 +17,8 @@ export const getServerSideProps = getGetServerSideProps({ authRequired: true })
 export default function DeviceSync ({ ssrData }) {
   const { me } = useMe()
   const { onVaultKeySet, beforeDisconnectVault } = useWallets()
-  const { key, setVaultKey, clearVault, disconnectVault } = useVaultConfigurator({ onVaultKeySet, beforeDisconnectVault })
+  const { key, setVaultKey, clearVault, disconnectVault } =
+    useVaultConfigurator({ onVaultKeySet, beforeDisconnectVault })
   const [passphrase, setPassphrase] = useState()
 
   const setSeedPassphrase = useCallback(async (passphrase) => {
diff --git a/pages/settings/wallets/[wallet].js b/pages/settings/wallets/[wallet].js
index 3b934c7f..f1c1a026 100644
--- a/pages/settings/wallets/[wallet].js
+++ b/pages/settings/wallets/[wallet].js
@@ -52,7 +52,8 @@ export default function WalletSettings () {
 
   const validate = useCallback(async (data) => {
     try {
-      await validateWallet(wallet.def, data, { yupOptions: { abortEarly: false }, topLevel: false })
+      await validateWallet(wallet.def, data,
+        { yupOptions: { abortEarly: false }, topLevel: false, skipGenerated: true })
     } catch (error) {
       if (error instanceof ValidationError) {
         return error.inner.reduce((acc, error) => {
@@ -81,7 +82,7 @@ export default function WalletSettings () {
               values.enabled = true
             }
 
-            await save(values, true)
+            await save(values, values.enabled)
 
             toaster.success('saved settings')
             router.push('/settings/wallets')
@@ -137,7 +138,10 @@ function ReceiveSettings ({ walletDef }) {
 
 function WalletFields ({ wallet }) {
   return wallet.def.fields
-    .map(({ name, label = '', type, help, optional, editable, requiredWithout, validate, clientOnly, serverOnly, ...props }, i) => {
+    .map(({
+      name, label = '', type, help, optional, editable, requiredWithout,
+      validate, clientOnly, serverOnly, generated, ...props
+    }, i) => {
       const rawProps = {
         ...props,
         name,
diff --git a/wallets/common.js b/wallets/common.js
index 7bcef430..43c89ac3 100644
--- a/wallets/common.js
+++ b/wallets/common.js
@@ -62,14 +62,14 @@ export function isClientField (f) {
 function checkFields ({ fields, config }) {
   // a wallet is configured if all of its required fields are set
   let val = fields.every(f => {
-    if (f.optional && !f.requiredWithout) return true
+    if ((f.optional || f.generated) && !f.requiredWithout) return true
     return !!config?.[f.name]
   })
 
   // however, a wallet is not configured if all fields are optional and none are set
   // since that usually means that one of them is required
   if (val && fields.length > 0) {
-    val = !(fields.every(f => f.optional) && fields.every(f => !config?.[f.name]))
+    val = !(fields.every(f => f.optional || f.generated) && fields.every(f => !config?.[f.name]))
   }
 
   return val
@@ -81,12 +81,12 @@ export function isConfigured ({ def, config }) {
 
 function isSendConfigured ({ def, config }) {
   const fields = def.fields.filter(isClientField)
-  return checkFields({ fields, config })
+  return (fields.length > 0 || def.isAvailable?.()) && checkFields({ fields, config })
 }
 
 function isReceiveConfigured ({ def, config }) {
   const fields = def.fields.filter(isServerField)
-  return checkFields({ fields, config })
+  return fields.length > 0 && checkFields({ fields, config })
 }
 
 export function canSend ({ def, config }) {
diff --git a/wallets/config.js b/wallets/config.js
index 16014040..25185a8c 100644
--- a/wallets/config.js
+++ b/wallets/config.js
@@ -37,7 +37,7 @@ export function useWalletConfigurator (wallet) {
     let serverConfig = serverWithShared
 
     if (canSend({ def: wallet.def, config: clientConfig })) {
-      let transformedConfig = await validateWallet(wallet.def, clientWithShared)
+      let transformedConfig = await validateWallet(wallet.def, clientWithShared, { skipGenerated: true })
       if (transformedConfig) {
         clientConfig = Object.assign(clientConfig, transformedConfig)
       }
@@ -46,6 +46,8 @@ export function useWalletConfigurator (wallet) {
         if (transformedConfig) {
           clientConfig = Object.assign(clientConfig, transformedConfig)
         }
+        // validate again to ensure generated fields are valid
+        await validateWallet(wallet.def, clientConfig)
       }
     } else if (canReceive({ def: wallet.def, config: serverConfig })) {
       const transformedConfig = await validateWallet(wallet.def, serverConfig)
@@ -74,6 +76,7 @@ export function useWalletConfigurator (wallet) {
     // if vault is active, encrypt and send to server regardless of wallet type
     if (isActive) {
       await _saveToServer(serverConfig, clientConfig, validateLightning)
+      await _detachFromLocal()
     } else {
       if (canSend({ def: wallet.def, config: clientConfig })) {
         await _saveToLocal(clientConfig)
diff --git a/wallets/lnc/index.js b/wallets/lnc/index.js
index 51d41ad9..03a795bd 100644
--- a/wallets/lnc/index.js
+++ b/wallets/lnc/index.js
@@ -36,23 +36,26 @@ export const fields = [
   {
     name: 'localKey',
     type: 'text',
-    optional: true,
     hidden: true,
-    clientOnly: true
+    clientOnly: true,
+    generated: true,
+    validate: string()
   },
   {
     name: 'remoteKey',
     type: 'text',
-    optional: true,
     hidden: true,
-    clientOnly: true
+    clientOnly: true,
+    generated: true,
+    validate: string()
   },
   {
     name: 'serverHost',
     type: 'text',
-    optional: true,
     hidden: true,
-    clientOnly: true
+    clientOnly: true,
+    generated: true,
+    validate: string()
   }
 ]
 
diff --git a/wallets/validate.js b/wallets/validate.js
index 8131189c..7d7734d7 100644
--- a/wallets/validate.js
+++ b/wallets/validate.js
@@ -12,8 +12,8 @@ import * as Yup from '@/lib/yup'
 import { canReceive } from './common'
 
 export default async function validateWallet (walletDef, data,
-  { yupOptions = { abortEarly: true }, topLevel = true, serverSide = false } = {}) {
-  let schema = composeWalletSchema(walletDef, serverSide)
+  { yupOptions = { abortEarly: true }, topLevel = true, serverSide = false, skipGenerated = false } = {}) {
+  let schema = composeWalletSchema(walletDef, serverSide, skipGenerated)
 
   if (canReceive({ def: walletDef, config: data })) {
     schema = schema.concat(autowithdrawSchemaMembers)
@@ -58,12 +58,16 @@ function createFieldSchema (name, validate) {
   }
 }
 
-function composeWalletSchema (walletDef, serverSide) {
+function composeWalletSchema (walletDef, serverSide, skipGenerated) {
   const { fields } = walletDef
 
   const vaultEntrySchemas = { required: [], optional: [] }
   const schemaShape = fields.reduce((acc, field) => {
-    const { name, validate, optional, clientOnly, requiredWithout } = field
+    const { name, validate, optional, generated, clientOnly, requiredWithout } = field
+
+    if (generated && skipGenerated) {
+      return acc
+    }
 
     if (clientOnly && serverSide) {
       // For server-side validation, accumulate clientOnly fields as vaultEntries