diff --git a/client/src/components/forms/PostFormCard.tsx b/client/src/components/forms/PostFormCard.tsx
index 7cabab8..9a6c44e 100644
--- a/client/src/components/forms/PostFormCard.tsx
+++ b/client/src/components/forms/PostFormCard.tsx
@@ -187,7 +187,7 @@ const NewNoteCard = ({
                             className="bg-neutral-800 text-white text-xs font-medium border-none rounded-lg w-10"
                             value={difficulty}
                             onChange={(e) => setDifficulty(e.target.value)}
-                            min="22"
+                            min="16"
                         />
                         <button
                             type="button"
diff --git a/client/src/components/routes/Settings.tsx b/client/src/components/routes/Settings.tsx
index 214ca96..02add9b 100644
--- a/client/src/components/routes/Settings.tsx
+++ b/client/src/components/routes/Settings.tsx
@@ -79,7 +79,7 @@ const Settings = () => {
               type="number"
               value={filterDifficulty}
               onChange={e => setFilterDifficulty(e.target.value)}
-              min={22}
+              min={16}
               className="w-full px-3 py-2 border rounded-md bg-black"
             />
           </div>
@@ -94,7 +94,7 @@ const Settings = () => {
               type="number"
               value={difficulty}
               onChange={e => setDifficulty(e.target.value)}
-              min={22}
+              min={16}
               className="w-full px-3 py-2 border rounded-md bg-black"
             />
           </div>
diff --git a/client/src/config.ts b/client/src/config.ts
index 2d0742f..fa207b3 100644
--- a/client/src/config.ts
+++ b/client/src/config.ts
@@ -1 +1 @@
-export const DEFAULT_DIFFICULTY = 22;
\ No newline at end of file
+export const DEFAULT_DIFFICULTY = 21;
\ No newline at end of file
diff --git a/client/src/utils/subscriptions.ts b/client/src/utils/subscriptions.ts
index b4d7784..e1cee58 100644
--- a/client/src/utils/subscriptions.ts
+++ b/client/src/utils/subscriptions.ts
@@ -13,7 +13,7 @@ export const subGlobalFeed = (onEvent: SubCallback, age: number) => {
   const now = Math.floor(Date.now() * 0.001);
   const pubkeys = new Set<string>();
   const notes = new Set<string>();
-  const prefix = 6; //  4 bits in each '0' character
+  const prefix = 4; //  4 bits in each '0' character
   sub({ // get past events
     cb: (evt, relay) => {
       pubkeys.add(evt.pubkey);
@@ -300,7 +300,7 @@ export const subHashtagFeed = (
       unsub: true
     });
 
-    const prefix = 6; //  4 bits in each '0' character
+    const prefix = 4; //  4 bits in each '0' character
     sub({ // get past events
       cb: (evt, relay) => {
         pubkeys.add(evt.pubkey);