diff --git a/Cargo.lock b/Cargo.lock
index cc3de59..5195851 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -113,7 +113,7 @@ checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
 name = "notemine"
-version = "0.3.0"
+version = "0.3.1"
 dependencies = [
  "console_error_panic_hook",
  "hex",
diff --git a/Cargo.toml b/Cargo.toml
index 49b603f..4599cec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "notemine"
-version = "0.3.0"
+version = "0.3.1"
 edition = "2021"
 description = "a nostr note miner compiled to wasm"
 repository = "https://github.com/sandwichfarm/notemine"
diff --git a/demo/main.js b/demo/main.js
index 135272a..8f4bcf4 100644
--- a/demo/main.js
+++ b/demo/main.js
@@ -208,7 +208,7 @@ function averageHashRate(hr) {
 
 async function recordMaxRate(workerId, hashRate){
     if (workerMaxHashRates[workerId] === undefined || hashRate > workerMaxHashRates[workerId]) {
-        workerMaxHashRates[workerId] = hashRate;
+        workerMaxHashRates[workerId] = Math.round(hashRate);
     }
 }
 
@@ -217,14 +217,14 @@ function recordHashRate(workerId, hashRate) {
         workerHashRates[workerId] = [];
     }
     workerHashRates[workerId].push(hashRate);
-    if (workerHashRates[workerId].length > 22) {
+    if (workerHashRates[workerId].length > 11) {
         workerHashRates[workerId].shift();
     }
     recordMaxRate(workerId, hashRate)
 }
 
 let lastRefresh = 0,
-    refreshEvery = 200
+    refreshEvery = 250
 
 function refreshHashRate() {
     if (Date.now() - lastRefresh < refreshEvery) {
@@ -240,6 +240,7 @@ function refreshHashRate() {
 function updateWorkerHashrateDisplay() {
     let minersHashRate = '';
     for (const [workerId, hashRate] of Object.entries(workerHashRates)) {
+        // minersHashRate += `Miner #${workerId}: ${(averageHashRate(hashRate) / 1000).toFixed(2)} kH/s [Max: ${workerMaxHashRates[workerId] / 1000} kH/s]\n`;
         minersHashRate += `Miner #${workerId}: ${(averageHashRate(hashRate) / 1000).toFixed(2)} kH/s\n`;
     }
     minersHashRateOutput.textContent = minersHashRate;
@@ -547,7 +548,7 @@ const generateEvent = (content) => {
     return {
         pubkey,
         kind: 1,
-        tags: [],
+        tags: [ ["miner", MINER], ["client", CLIENT] ],
         content,
     }
 }
diff --git a/src/lib.rs b/src/lib.rs
index b5faae3..6835ee9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -23,18 +23,10 @@ pub struct MinedResult {
     pub khs: f64,
 }
 
-fn serialize_u64_as_number<S>(x: &u64, s: S) -> Result<S::Ok, S::Error>
-where
-    S: serde::Serializer,
-{
-    s.serialize_u64(*x)
-}
-
 #[derive(Serialize)]
 struct HashableEvent<'a>(
     u32,
     &'a str,
-    #[serde(serialize_with = "serialize_u64_as_number")]
     u64,
     u32,
     &'a Vec<Vec<String>>,
@@ -46,7 +38,7 @@ fn get_event_hash(event: &NostrEvent) -> Vec<u8> {
     let hashable_event = HashableEvent(
         0u32,
         &event.pubkey,
-        event.created_at.unwrap_or_else(|| (js_sys::Date::now() / 1000.0) as u64),
+        event.created_at.unwrap(),
         event.kind,
         &event.tags,
         &event.content,
@@ -139,7 +131,7 @@ pub fn mine_event(
     let mut nonce: u64 = start_nonce;
     let mut total_hashes: u64 = 0;
 
-    let report_interval = 500_000;
+    let report_interval = 333_000;
     let mut last_report_time = start_time;
     let should_cancel = should_cancel.dyn_into::<Function>().ok();