diff --git a/packages/app/src/context.ts b/packages/app/src/context.ts
index ca9bd9a..4cd5aa7 100644
--- a/packages/app/src/context.ts
+++ b/packages/app/src/context.ts
@@ -1,7 +1,7 @@
 import {partition} from "@welshman/lib"
 import {defaultOptimizeSubscriptions, getDefaultNetContext as originalGetDefaultNetContext} from "@welshman/net"
 import type {Subscription, RelaysAndFilters, NetContext} from "@welshman/net"
-import {WRAP, unionFilters} from "@welshman/util"
+import {WRAP, isEphemeralKind, isDVMKind,  unionFilters} from "@welshman/util"
 import type {TrustedEvent, StampedEvent} from "@welshman/util"
 import {tracker, repository} from './core'
 import {makeRouter, getFilterSelections} from './router'
@@ -22,6 +22,8 @@ export const getDefaultNetContext = (overrides: Partial<NetContext> = {}) => ({
   ...originalGetDefaultNetContext(),
   signEvent: (event: StampedEvent) => signer.get()?.sign(event),
   onEvent: (url: string, event: TrustedEvent) => {
+    if (isEphemeralKind(event.kind) || isDVMKind(event.kind)) return
+
     tracker.track(event.id, url)
     repository.publish(event)
 
diff --git a/packages/net/src/Subscribe.ts b/packages/net/src/Subscribe.ts
index e0ee69a..bba887c 100644
--- a/packages/net/src/Subscribe.ts
+++ b/packages/net/src/Subscribe.ts
@@ -139,7 +139,7 @@ export const optimizeSubscriptions = (subs: Subscription[]) => {
       const closedSubs = new Set<string>()
       const eosedSubs = new Set<string>()
       const sentSubs = new Set<string>()
-      const mergedSubs = []
+      const mergedSubs: Subscription[] = []
 
       for (const {relays, filters} of ctx.net.optimizeSubscriptions(group)) {
         const mergedSub = makeSubscription({
diff --git a/packages/util/src/Kinds.ts b/packages/util/src/Kinds.ts
index 910d115..1d3d2c5 100644
--- a/packages/util/src/Kinds.ts
+++ b/packages/util/src/Kinds.ts
@@ -1,4 +1,5 @@
 import {kinds} from 'nostr-tools'
+import {between} from '@welshman/lib'
 
 export const isRegularKind = kinds.isRegularKind
 export const isEphemeralKind = kinds.isEphemeralKind
@@ -6,6 +7,7 @@ export const isPlainReplaceableKind = kinds.isReplaceableKind
 export const isParameterizedReplaceableKind = kinds.isParameterizedReplaceableKind
 export const isReplaceableKind = (kind: number) =>
   isPlainReplaceableKind(kind) || isParameterizedReplaceableKind(kind)
+export const isDVMKind = (kind: number) => between([4999, 7001], kind)
 
 export const PROFILE = 0
 export const NOTE = 1
diff --git a/packages/util/src/Relay.ts b/packages/util/src/Relay.ts
index 95e0ad6..fc37bae 100644
--- a/packages/util/src/Relay.ts
+++ b/packages/util/src/Relay.ts
@@ -13,6 +13,7 @@ export const BOGUS_RELAY_URL = "bogus://welshman.relay"
 export type RelayProfile = {
   url: string
   icon?: string
+  banner?: string
   name?: string
   pubkey?: string
   contact?: string
@@ -21,6 +22,7 @@ export type RelayProfile = {
   description?: string
   supported_nips?: number[]
   limitation?: {
+    min_pow_difficulty?: number
     payment_required?: boolean
     auth_required?: boolean
   }
diff --git a/packages/util/src/Tags.ts b/packages/util/src/Tags.ts
index b3f5bd8..60439bc 100644
--- a/packages/util/src/Tags.ts
+++ b/packages/util/src/Tags.ts
@@ -1,6 +1,6 @@
 import type {OmitStatics} from '@welshman/lib'
-import {Fluent, uniqBy, mapVals, nth, nthEq, ensurePlural} from '@welshman/lib'
-import {isRelayUrl, normalizeRelayUrl} from './Relay'
+import {Fluent, uniq, uniqBy, mapVals, nth, nthEq, ensurePlural} from '@welshman/lib'
+import {isRelayUrl, isShareableRelayUrl, normalizeRelayUrl} from './Relay'
 import {Address, isContextAddress} from './Address'
 import {GROUP, COMMUNITY} from './Kinds'
 
@@ -262,4 +262,7 @@ export const getAncestorTags = (tags: string[][]) => {
 export const getAncestorTagValues = (tags: string[][]) =>
   mapVals(tags => tags.map(nth(1)), getAncestorTags(tags))
 
+export const getRelayHints = (tags: string[][]) =>
+  uniq(tags.flatMap(t => t.slice(2).filter(isShareableRelayUrl)))
+
 export const uniqTags = (tags: string[][]) => uniqBy(t => t.join(":"), tags)