diff --git a/dist/es5node/methods/node.js b/dist/es5node/methods/node.js
index 3d7d67e8..05ec2e9d 100644
--- a/dist/es5node/methods/node.js
+++ b/dist/es5node/methods/node.js
@@ -54,8 +54,6 @@ var _net = _interopRequireDefault(require("net"));
 
 var _path = _interopRequireDefault(require("path"));
 
-var _microtime = _interopRequireDefault(require("microtime"));
-
 var _rimraf = _interopRequireDefault(require("rimraf"));
 
 var _detectNode = _interopRequireDefault(require("detect-node"));
@@ -679,10 +677,11 @@ function _cleanOldMessages() {
       while (1) {
         switch (_context15.prev = _context15.next) {
           case 0:
-            olderThen = Date.now() - ttl;
+            olderThen = microSeconds() - ttl * 1000; // convert ttl to microseconds
+
             _context15.next = 3;
             return Promise.all(messageObjects.filter(function (obj) {
-              return obj.time / 1000 < olderThen;
+              return obj.time < olderThen;
             }).map(function (obj) {
               return unlink(obj.path)["catch"](function () {
                 return null;
@@ -1182,5 +1181,10 @@ function averageResponseTime() {
 }
 
 function microSeconds() {
-  return parseInt(_microtime["default"].now());
+  // convert nano to micro seconds
+  return parseInt(now() / 1000);
+}
+
+function now() {
+  return Number(process.hrtime.bigint()); // returns nanoseconds
 }
\ No newline at end of file
diff --git a/dist/esbrowser/method-chooser.js b/dist/esbrowser/method-chooser.js
index 3f278175..26cee702 100644
--- a/dist/esbrowser/method-chooser.js
+++ b/dist/esbrowser/method-chooser.js
@@ -3,7 +3,6 @@ import IndexeDbMethod from './methods/indexed-db.js';
 import LocalstorageMethod from './methods/localstorage.js';
 import SimulateMethod from './methods/simulate.js'; // the line below will be removed from es5/browser builds
 
-
 import { isNode } from './util.js'; // order is important
 
 var METHODS = [NativeMethod, // fastest
@@ -12,7 +11,6 @@ export function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/dist/esbrowser/methods/node.js b/dist/esbrowser/methods/node.js
index 3d82159a..3772a852 100644
--- a/dist/esbrowser/methods/node.js
+++ b/dist/esbrowser/methods/node.js
@@ -12,7 +12,6 @@ import os from 'os';
 import events from 'events';
 import net from 'net';
 import path from 'path';
-import micro from 'microtime';
 import rimraf from 'rimraf';
 import isNode from 'detect-node';
 import PQueue from 'p-queue';
@@ -593,10 +592,11 @@ function _cleanOldMessages() {
       while (1) {
         switch (_context15.prev = _context15.next) {
           case 0:
-            olderThen = Date.now() - ttl;
+            olderThen = microSeconds() - ttl * 1000; // convert ttl to microseconds
+
             _context15.next = 3;
             return Promise.all(messageObjects.filter(function (obj) {
-              return obj.time / 1000 < olderThen;
+              return obj.time < olderThen;
             }).map(function (obj) {
               return unlink(obj.path)["catch"](function () {
                 return null;
@@ -1085,5 +1085,10 @@ export function averageResponseTime() {
   return 200;
 }
 export function microSeconds() {
-  return parseInt(micro.now());
+  // convert nano to micro seconds
+  return parseInt(now() / 1000);
+}
+
+function now() {
+  return Number(process.hrtime.bigint()); // returns nanoseconds
 }
\ No newline at end of file
diff --git a/dist/esnode/methods/node.js b/dist/esnode/methods/node.js
index 3d82159a..3772a852 100644
--- a/dist/esnode/methods/node.js
+++ b/dist/esnode/methods/node.js
@@ -12,7 +12,6 @@ import os from 'os';
 import events from 'events';
 import net from 'net';
 import path from 'path';
-import micro from 'microtime';
 import rimraf from 'rimraf';
 import isNode from 'detect-node';
 import PQueue from 'p-queue';
@@ -593,10 +592,11 @@ function _cleanOldMessages() {
       while (1) {
         switch (_context15.prev = _context15.next) {
           case 0:
-            olderThen = Date.now() - ttl;
+            olderThen = microSeconds() - ttl * 1000; // convert ttl to microseconds
+
             _context15.next = 3;
             return Promise.all(messageObjects.filter(function (obj) {
-              return obj.time / 1000 < olderThen;
+              return obj.time < olderThen;
             }).map(function (obj) {
               return unlink(obj.path)["catch"](function () {
                 return null;
@@ -1085,5 +1085,10 @@ export function averageResponseTime() {
   return 200;
 }
 export function microSeconds() {
-  return parseInt(micro.now());
+  // convert nano to micro seconds
+  return parseInt(now() / 1000);
+}
+
+function now() {
+  return Number(process.hrtime.bigint()); // returns nanoseconds
 }
\ No newline at end of file
diff --git a/dist/lib/browser.js b/dist/lib/browser.js
index 9e6dff7c..4cc12537 100644
--- a/dist/lib/browser.js
+++ b/dist/lib/browser.js
@@ -797,7 +797,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -813,7 +812,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/dist/lib/browser.min.js b/dist/lib/browser.min.js
index c9c835ab..189d3080 100644
--- a/dist/lib/browser.min.js
+++ b/dist/lib/browser.min.js
@@ -1 +1 @@
-!function r(o,i,s){function a(t,e){if(!i[t]){if(!o[t]){var n="function"==typeof require&&require;if(!e&&n)return n(t,!0);if(u)return u(t,!0);throw(e=new Error("Cannot find module '"+t+"'")).code="MODULE_NOT_FOUND",e}n=i[t]={exports:{}},o[t][0].call(n.exports,function(e){return a(o[t][1][e]||e)},n,n.exports,r,o,i,s)}return i[t].exports}for(var u="function"==typeof require&&require,e=0;e<s.length;e++)a(s[e]);return a}({1:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.OPEN_BROADCAST_CHANNELS=n.BroadcastChannel=void 0,n.clearNodeFolder=function(e){e=(0,a.fillOptionsWithDefaults)(e);e=(0,s.chooseMethod)(e);return"node"===e.type?e.clearNodeFolder().then(function(){return!0}):i.PROMISE_RESOLVED_FALSE},n.enforceOptions=function(e){o=e};function r(e,t){var n;this.id=c++,u.add(this),this.name=e,o&&(t=o),this.options=(0,a.fillOptionsWithDefaults)(t),this.method=(0,s.chooseMethod)(this.options),this._iL=!1,this._onML=null,this._addEL={message:[],internal:[]},this._uMP=new Set,this._befC=[],this._prepP=null,e=(n=this).method.create(n.name,n.options),(0,i.isPromise)(e)?(n._prepP=e).then(function(e){n._state=e}):n._state=e}var o,i=e("./util.js"),s=e("./method-chooser.js"),a=e("./options.js"),u=new Set,c=(n.OPEN_BROADCAST_CHANNELS=u,0);function l(t,e,n){var r={time:t.method.microSeconds(),type:e,data:n};return(t._prepP||i.PROMISE_RESOLVED_VOID).then(function(){var e=t.method.postMessage(t._state,r);return t._uMP.add(e),e.catch().then(function(){return t._uMP.delete(e)}),e})}function d(e){return 0<e._addEL.message.length||0<e._addEL.internal.length}function f(e,t,n){e._addEL[t].push(n);var r,o,i=e;!i._iL&&d(i)&&(r=function(n){i._addEL[n.type].forEach(function(e){var t=e.time-1e5;n.time>=t&&e.fn(n.data)})},o=i.method.microSeconds(),i._prepP?i._prepP.then(function(){i._iL=!0,i.method.onMessage(i._state,r,o)}):(i._iL=!0,i.method.onMessage(i._state,r,o)))}function h(e,t,n){e._addEL[t]=e._addEL[t].filter(function(e){return e!==n});t=e;t._iL&&!d(t)&&(t._iL=!1,e=t.method.microSeconds(),t.method.onMessage(t._state,null,e))}(n.BroadcastChannel=r)._pubkey=!0,r.prototype={postMessage:function(e){if(this.closed)throw new Error("BroadcastChannel.postMessage(): Cannot post message after channel has closed "+JSON.stringify(e));return l(this,"message",e)},postInternal:function(e){return l(this,"internal",e)},set onmessage(e){var t={time:this.method.microSeconds(),fn:e};h(this,"message",this._onML),e&&"function"==typeof e?(this._onML=t,f(this,"message",t)):this._onML=null},addEventListener:function(e,t){var n=this.method.microSeconds();f(this,e,{time:n,fn:t})},removeEventListener:function(e,t){var n=this._addEL[e].find(function(e){return e.fn===t});h(this,e,n)},close:function(){var e,t=this;if(!this.closed)return u.delete(this),this.closed=!0,e=this._prepP||i.PROMISE_RESOLVED_VOID,this._onML=null,this._addEL.message=[],e.then(function(){return Promise.all(Array.from(t._uMP))}).then(function(){return Promise.all(t._befC.map(function(e){return e()}))}).then(function(){return t.method.close(t._state)})},get type(){return this.method.type},get isClosed(){return this.closed}}},{"./method-chooser.js":6,"./options.js":11,"./util.js":12}],2:[function(e,t,n){"use strict";var e=e("./index.es5.js"),r=e.BroadcastChannel,e=e.createLeaderElection;window.BroadcastChannel2=r,window.createLeaderElection=e},{"./index.es5.js":3}],3:[function(e,t,n){"use strict";e=e("./index.js");t.exports={BroadcastChannel:e.BroadcastChannel,createLeaderElection:e.createLeaderElection,clearNodeFolder:e.clearNodeFolder,enforceOptions:e.enforceOptions,beLeader:e.beLeader}},{"./index.js":4}],4:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),Object.defineProperty(n,"BroadcastChannel",{enumerable:!0,get:function(){return r.BroadcastChannel}}),Object.defineProperty(n,"OPEN_BROADCAST_CHANNELS",{enumerable:!0,get:function(){return r.OPEN_BROADCAST_CHANNELS}}),Object.defineProperty(n,"beLeader",{enumerable:!0,get:function(){return o.beLeader}}),Object.defineProperty(n,"clearNodeFolder",{enumerable:!0,get:function(){return r.clearNodeFolder}}),Object.defineProperty(n,"createLeaderElection",{enumerable:!0,get:function(){return o.createLeaderElection}}),Object.defineProperty(n,"enforceOptions",{enumerable:!0,get:function(){return r.enforceOptions}});var r=e("./broadcast-channel.js"),o=e("./leader-election.js")},{"./broadcast-channel.js":1,"./leader-election.js":5}],5:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.beLeader=l,n.createLeaderElection=function(e,t){if(e._leaderElector)throw new Error("BroadcastChannel already has a leader-elector");t=function(e,t){e=e||{};(e=JSON.parse(JSON.stringify(e))).fallbackInterval||(e.fallbackInterval=3e3);e.responseTime||(e.responseTime=t.method.averageResponseTime(t.options));return e}(t,e);var n=new o(e,t);return e._befC.push(function(){return n.die()}),e._leaderElector=n};var u=e("./util.js"),r=e("unload"),o=function(e,t){function n(e){"leader"===e.context&&("death"===e.action&&(r.hasLeader=!1),"tell"===e.action&&(r.hasLeader=!0))}var r=this;this.broadcastChannel=e,this._options=t,this.isLeader=!1,this.hasLeader=!1,this.isDead=!1,this.token=(0,u.randomToken)(),this._aplQ=u.PROMISE_RESOLVED_VOID,this._aplQC=0,this._unl=[],this._lstns=[],this._dpL=function(){},this._dpLC=!1;this.broadcastChannel.addEventListener("internal",n),this._lstns.push(n)};function c(e,t){t={context:"leader",action:t,token:e.token};return e.broadcastChannel.postInternal(t)}function l(t){t.isLeader=!0,t.hasLeader=!0;function e(e){"leader"===e.context&&"apply"===e.action&&c(t,"tell"),"leader"!==e.context||"tell"!==e.action||t._dpLC||(t._dpLC=!0,t._dpL(),c(t,"tell"))}var n=(0,r.add)(function(){return t.die()});t._unl.push(n);return t.broadcastChannel.addEventListener("internal",e),t._lstns.push(e),c(t,"tell")}o.prototype={applyOnce:function(s){var a=this;if(this.isLeader)return(0,u.sleep)(0,!0);if(this.isDead)return(0,u.sleep)(0,!1);if(1<this._aplQC)return this._aplQ;function e(){if(a.isLeader)return u.PROMISE_RESOLVED_TRUE;function e(e){"leader"===e.context&&e.token!=a.token&&(o.push(e),"apply"===e.action&&e.token>a.token&&t(),"tell"===e.action&&(t(),a.hasLeader=!0))}var t,n=!1,r=new Promise(function(e){t=function(){n=!0,e()}}),o=[],i=(a.broadcastChannel.addEventListener("internal",e),s?4*a._options.responseTime:a._options.responseTime);return c(a,"apply").then(function(){return Promise.race([(0,u.sleep)(i),r.then(function(){return Promise.reject(new Error)})])}).then(function(){return c(a,"apply")}).then(function(){return Promise.race([(0,u.sleep)(i),r.then(function(){return Promise.reject(new Error)})])}).catch(function(){}).then(function(){return a.broadcastChannel.removeEventListener("internal",e),!n&&l(a).then(function(){return!0})})}return this._aplQC=this._aplQC+1,this._aplQ=this._aplQ.then(e).then(function(){a._aplQC=a._aplQC-1}),this._aplQ.then(function(){return a.isLeader})},awaitLeadership:function(){return this._aLP||(this._aLP=function(o){if(o.isLeader)return u.PROMISE_RESOLVED_VOID;return new Promise(function(e){var t=!1;function n(){t||(t=!0,o.broadcastChannel.removeEventListener("internal",r),e(!0))}o.applyOnce().then(function(){o.isLeader&&n()});(function e(){return(0,u.sleep)(o._options.fallbackInterval).then(function(){if(!o.isDead&&!t)return o.isLeader?void n():o.applyOnce(!0).then(function(){(o.isLeader?n:e)()})})})();var r=function(e){"leader"===e.context&&"death"===e.action&&(o.hasLeader=!1,o.applyOnce().then(function(){o.isLeader&&n()}))};o.broadcastChannel.addEventListener("internal",r),o._lstns.push(r)})}(this)),this._aLP},set onduplicate(e){this._dpL=e},die:function(){var t=this;return this._lstns.forEach(function(e){return t.broadcastChannel.removeEventListener("internal",e)}),this._lstns=[],this._unl.forEach(function(e){return e.remove()}),this._unl=[],this.isLeader&&(this.hasLeader=!1,this.isLeader=!1),this.isDead=!0,c(this,"death")}}},{"./util.js":12,unload:20}],6:[function(e,t,n){"use strict";var r=e("@babel/runtime/helpers/interopRequireDefault"),n=(e("@babel/runtime/helpers/typeof"),Object.defineProperty(n,"__esModule",{value:!0}),n.chooseMethod=function(t){var e=[].concat(t.methods,u).filter(Boolean);if(t.type){if("simulate"===t.type)return s.default;var n=e.find(function(e){return e.type===t.type});if(n)return n;throw new Error("method-type "+t.type+" not found")}t.webWorkerSupport||a.isNode||(e=e.filter(function(e){return"idb"!==e.type}));n=e.find(function(e){return e.canBeUsed()});{if(n)return n;throw new Error("No useable method found in "+JSON.stringify(u.map(function(e){return e.type})))}},r(e("./methods/native.js"))),o=r(e("./methods/indexed-db.js")),i=r(e("./methods/localstorage.js")),s=r(e("./methods/simulate.js")),a=e("./util.js");var u=[n.default,o.default,i.default]},{"./methods/indexed-db.js":7,"./methods/localstorage.js":8,"./methods/native.js":9,"./methods/simulate.js":10,"./util.js":12,"@babel/runtime/helpers/interopRequireDefault":13,"@babel/runtime/helpers/typeof":14}],7:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.TRANSACTION_SETTINGS=void 0,n.averageResponseTime=S,n.canBeUsed=w,n.cleanOldMessages=v,n.close=g,n.commitIndexedDBTransaction=d,n.create=b,n.createDatabase=u,n.default=void 0,n.getAllMessages=function(e){var n=e.transaction(c,"readonly",l),r=n.objectStore(c),o=[];return new Promise(function(t){r.openCursor().onsuccess=function(e){e=e.target.result;e?(o.push(e.value),e.continue()):(d(n),t(o))}})},n.getIdb=a,n.getMessagesHigherThan=h,n.getOldMessages=m,n.microSeconds=void 0,n.onMessage=E,n.postMessage=y,n.removeMessagesById=p,n.type=void 0,n.writeMessage=f;var o=e("../util.js"),i=e("oblivious-set"),s=e("../options.js"),e=o.microSeconds,r=(n.microSeconds=e,"pubkey.broadcast-channel-0-"),c="messages",l={durability:"relaxed"};n.TRANSACTION_SETTINGS=l;function a(){if("undefined"!=typeof indexedDB)return indexedDB;if("undefined"!=typeof window){if(void 0!==window.mozIndexedDB)return window.mozIndexedDB;if(void 0!==window.webkitIndexedDB)return window.webkitIndexedDB;if(void 0!==window.msIndexedDB)return window.msIndexedDB}return!1}function d(e){e.commit&&e.commit()}function u(e){var n=a().open(r+e);return n.onupgradeneeded=function(e){e.target.result.createObjectStore(c,{keyPath:"id",autoIncrement:!0})},new Promise(function(e,t){n.onerror=function(e){return t(e)},n.onsuccess=function(){e(n.result)}})}function f(e,t,n){var r={uuid:t,time:(new Date).getTime(),data:n},o=e.transaction([c],"readwrite",l);return new Promise(function(e,t){o.oncomplete=function(){return e()},o.onerror=function(e){return t(e)},o.objectStore(c).add(r),d(o)})}function h(e,r){var o,i=e.transaction(c,"readonly",l),s=i.objectStore(c),a=[],u=IDBKeyRange.bound(r+1,1/0);return s.getAll?(o=s.getAll(u),new Promise(function(t,n){o.onerror=function(e){return n(e)},o.onsuccess=function(e){t(e.target.result)}})):new Promise(function(t,n){var e=function(){try{return u=IDBKeyRange.bound(r+1,1/0),s.openCursor(u)}catch(e){return s.openCursor()}}();e.onerror=function(e){return n(e)},e.onsuccess=function(e){e=e.target.result;e?e.value.id<r+1?e.continue(r+1):(a.push(e.value),e.continue()):(d(i),t(a))}})}function p(e,t){var n=e.transaction([c],"readwrite",l).objectStore(c);return Promise.all(t.map(function(e){var t=n.delete(e);return new Promise(function(e){t.onsuccess=function(){return e()}})}))}function m(e,t){var r=(new Date).getTime()-t,o=e.transaction(c,"readonly",l),i=o.objectStore(c),s=[];return new Promise(function(n){i.openCursor().onsuccess=function(e){var t,e=e.target.result;e?(t=e.value).time<r?(s.push(t),e.continue()):(d(o),n(s)):n(s)}})}function v(t,e){return m(t,e).then(function(e){return p(t,e.map(function(e){return e.id}))})}function b(n,r){return r=(0,s.fillOptionsWithDefaults)(r),u(n).then(function(e){var t={closed:!1,lastCursorId:0,channelName:n,options:r,uuid:(0,o.randomToken)(),eMIs:new i.ObliviousSet(2*r.idb.ttl),writeBlockPromise:o.PROMISE_RESOLVED_VOID,messagesCallback:null,readQueuePromises:[],db:e};return e.onclose=function(){t.closed=!0,r.idb.onclose&&r.idb.onclose()},function e(t){if(t.closed)return;_(t).then(function(){return(0,o.sleep)(t.options.idb.fallbackInterval)}).then(function(){return e(t)})}(t),t})}function _(n){return!n.closed&&n.messagesCallback?h(n.db,n.lastCursorId).then(function(e){return e.filter(function(e){return!!e}).map(function(e){return e.id>n.lastCursorId&&(n.lastCursorId=e.id),e}).filter(function(e){return t=n,(e=e).uuid!==t.uuid&&(!t.eMIs.has(e.id)&&!(e.data.time<t.messagesCallbackTime));var t}).sort(function(e,t){return e.time-t.time}).forEach(function(e){n.messagesCallback&&(n.eMIs.add(e.id),n.messagesCallback(e.data))}),o.PROMISE_RESOLVED_VOID}):o.PROMISE_RESOLVED_VOID}function g(e){e.closed=!0,e.db.close()}function y(e,t){return e.writeBlockPromise=e.writeBlockPromise.then(function(){return f(e.db,e.uuid,t)}).then(function(){0===(0,o.randomInt)(0,10)&&v(e.db,e.options.idb.ttl)}),e.writeBlockPromise}function E(e,t,n){e.messagesCallbackTime=n,e.messagesCallback=t,_(e)}function w(){return!o.isNode&&!!a()}function S(e){return 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t(e)},n.onsuccess=function(){e(n.result)}})}function f(e,t,n){var o={uuid:t,time:(new Date).getTime(),data:n},r=e.transaction([c],"readwrite",l);return new Promise(function(e,t){r.oncomplete=function(){return e()},r.onerror=function(e){return t(e)},r.objectStore(c).add(o),d(r)})}function h(e,o){var r,i=e.transaction(c,"readonly",l),s=i.objectStore(c),a=[],u=IDBKeyRange.bound(o+1,1/0);return s.getAll?(r=s.getAll(u),new Promise(function(t,n){r.onerror=function(e){return n(e)},r.onsuccess=function(e){t(e.target.result)}})):new Promise(function(t,n){var e=function(){try{return u=IDBKeyRange.bound(o+1,1/0),s.openCursor(u)}catch(e){return s.openCursor()}}();e.onerror=function(e){return n(e)},e.onsuccess=function(e){e=e.target.result;e?e.value.id<o+1?e.continue(o+1):(a.push(e.value),e.continue()):(d(i),t(a))}})}function p(e,t){var n=e.transaction([c],"readwrite",l).objectStore(c);return Promise.all(t.map(function(e){var t=n.delete(e);return new Promise(function(e){t.onsuccess=function(){return e()}})}))}function m(e,t){var o=(new Date).getTime()-t,r=e.transaction(c,"readonly",l),i=r.objectStore(c),s=[];return new Promise(function(n){i.openCursor().onsuccess=function(e){var t,e=e.target.result;e?(t=e.value).time<o?(s.push(t),e.continue()):(d(r),n(s)):n(s)}})}function v(t,e){return m(t,e).then(function(e){return p(t,e.map(function(e){return e.id}))})}function b(n,o){return o=(0,s.fillOptionsWithDefaults)(o),u(n).then(function(e){var t={closed:!1,lastCursorId:0,channelName:n,options:o,uuid:(0,r.randomToken)(),eMIs:new i.ObliviousSet(2*o.idb.ttl),writeBlockPromise:r.PROMISE_RESOLVED_VOID,messagesCallback:null,readQueuePromises:[],db:e};return e.onclose=function(){t.closed=!0,o.idb.onclose&&o.idb.onclose()},function e(t){if(t.closed)return;_(t).then(function(){return(0,r.sleep)(t.options.idb.fallbackInterval)}).then(function(){return e(t)})}(t),t})}function _(n){return!n.closed&&n.messagesCallback?h(n.db,n.lastCursorId).then(function(e){return e.filter(function(e){return!!e}).map(function(e){return e.id>n.lastCursorId&&(n.lastCursorId=e.id),e}).filter(function(e){return t=n,(e=e).uuid!==t.uuid&&(!t.eMIs.has(e.id)&&!(e.data.time<t.messagesCallbackTime));var t}).sort(function(e,t){return e.time-t.time}).forEach(function(e){n.messagesCallback&&(n.eMIs.add(e.id),n.messagesCallback(e.data))}),r.PROMISE_RESOLVED_VOID}):r.PROMISE_RESOLVED_VOID}function g(e){e.closed=!0,e.db.close()}function y(e,t){return e.writeBlockPromise=e.writeBlockPromise.then(function(){return f(e.db,e.uuid,t)}).then(function(){0===(0,r.randomInt)(0,10)&&v(e.db,e.options.idb.ttl)}),e.writeBlockPromise}function E(e,t,n){e.messagesCallbackTime=n,e.messagesCallback=t,_(e)}function w(){return!r.isNode&&!!a()}function S(e){return 2*e.idb.fallbackInterval}n.type="idb",n.default={create:b,close:g,onMessage:E,postMessage:y,canBeUsed:w,type:"idb",averageResponseTime:S,microSeconds:e}},{"../options.js":11,"../util.js":12,"oblivious-set":17}],8:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.addStorageEventListener=d,n.averageResponseTime=b,n.canBeUsed=v,n.close=p,n.create=h,n.default=void 0,n.getLocalStorage=u,n.microSeconds=void 0,n.onMessage=m,n.postMessage=l,n.removeStorageEventListener=f,n.storageKey=c,n.type=void 0;var i=e("oblivious-set"),s=e("../options.js"),a=e("../util.js"),e=a.microSeconds,r=(n.microSeconds=e,"pubkey.broadcastChannel-"),o="localstorage";function u(){var e;if("undefined"==typeof window)return null;try{e=window.localStorage,e=window["ie8-eventlistener/storage"]||window.localStorage}catch(e){}return e}function c(e){return r+e}function l(r,i){return new Promise(function(o){(0,a.sleep)().then(function(){var e=c(r.channelName),t={token:(0,a.randomToken)(),time:(new Date).getTime(),data:i,uuid:r.uuid},t=JSON.stringify(t),n=(u().setItem(e,t),document.createEvent("Event"));n.initEvent("storage",!0,!0),n.key=e,n.newValue=t,window.dispatchEvent(n),o()})})}function d(e,t){function n(e){e.key===o&&t(JSON.parse(e.newValue))}var o=r+e;return window.addEventListener("storage",n),n}function f(e){window.removeEventListener("storage",e)}function h(e,t){var n,o,r;if(t=(0,s.fillOptionsWithDefaults)(t),v())return n=(0,a.randomToken)(),o=new i.ObliviousSet(t.localstorage.removeTimeout),(r={channelName:e,uuid:n,eMIs:o}).listener=d(e,function(e){!r.messagesCallback||e.uuid===n||!e.token||o.has(e.token)||e.data.time&&e.data.time<r.messagesCallbackTime||(o.add(e.token),r.messagesCallback(e.data))}),r;throw new Error("BroadcastChannel: localstorage cannot be used")}function p(e){f(e.listener)}function m(e,t,n){e.messagesCallbackTime=n,e.messagesCallback=t}function v(){if(a.isNode)return!1;var e=u();if(!e)return!1;try{var t="__broadcastchannel_check";e.setItem(t,"works"),e.removeItem(t)}catch(e){return!1}return!0}function b(){var e=navigator.userAgent.toLowerCase();return e.includes("safari")&&!e.includes("chrome")?240:120}n.type=o,n.default={create:h,close:p,onMessage:m,postMessage:l,canBeUsed:v,type:o,averageResponseTime:b,microSeconds:e}},{"../options.js":11,"../util.js":12,"oblivious-set":17}],9:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.averageResponseTime=c,n.canBeUsed=u,n.close=i,n.create=r,n.microSeconds=n.default=void 0,n.onMessage=a,n.postMessage=s,n.type=void 0;var o=e("../util.js"),e=o.microSeconds;n.microSeconds=e;function r(e){var t={messagesCallback:null,bc:new BroadcastChannel(e),subFns:[]};return t.bc.onmessage=function(e){t.messagesCallback&&t.messagesCallback(e.data)},t}function i(e){e.bc.close(),e.subFns=[]}function s(e,t){try{return e.bc.postMessage(t,!1),o.PROMISE_RESOLVED_VOID}catch(e){return Promise.reject(e)}}function a(e,t){e.messagesCallback=t}function u(){if(o.isNode&&"undefined"==typeof window)return!1;if("function"!=typeof BroadcastChannel)return!1;if(BroadcastChannel._pubkey)throw new Error("BroadcastChannel: Do not overwrite window.BroadcastChannel with this module, this is not a polyfill");return!0}function c(){return 150}n.type="native",n.default={create:r,close:i,onMessage:a,postMessage:s,canBeUsed:u,type:"native",averageResponseTime:c,microSeconds:e}},{"../util.js":12}],10:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.averageResponseTime=l,n.canBeUsed=c,n.close=s,n.create=i,n.microSeconds=n.default=void 0,n.onMessage=u,n.postMessage=a,n.type=void 0;var e=e("../util.js").microSeconds,o=(n.microSeconds=e,"simulate"),r=(n.type=o,new Set);function i(e){e={name:e,messagesCallback:null};return r.add(e),e}function s(e){r.delete(e)}function a(t,n){return new Promise(function(e){return setTimeout(function(){Array.from(r).filter(function(e){return e.name===t.name}).filter(function(e){return e!==t}).filter(function(e){return!!e.messagesCallback}).forEach(function(e){return e.messagesCallback(n)}),e()},5)})}function u(e,t){e.messagesCallback=t}function c(){return!0}function l(){return 5}n.default={create:i,close:s,onMessage:u,postMessage:a,canBeUsed:c,type:o,averageResponseTime:l,microSeconds:e}},{"../util.js":12}],11:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.fillOptionsWithDefaults=function(){var e=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{},t=JSON.parse(JSON.stringify(e));void 0===t.webWorkerSupport&&(t.webWorkerSupport=!0);t.idb||(t.idb={});t.idb.ttl||(t.idb.ttl=45e3);t.idb.fallbackInterval||(t.idb.fallbackInterval=150);e.idb&&"function"==typeof e.idb.onclose&&(t.idb.onclose=e.idb.onclose);t.localstorage||(t.localstorage={});t.localstorage.removeTimeout||(t.localstorage.removeTimeout=6e4);e.methods&&(t.methods=e.methods);t.node||(t.node={});t.node.ttl||(t.node.ttl=12e4);t.node.maxParallelWrites||(t.node.maxParallelWrites=2048);void 0===t.node.useFastPath&&(t.node.useFastPath=!0);return t}},{}],12:[function(e,t,r){!function(o){!function(){"use strict";Object.defineProperty(r,"__esModule",{value:!0}),r.isNode=r.PROMISE_RESOLVED_VOID=r.PROMISE_RESOLVED_TRUE=r.PROMISE_RESOLVED_FALSE=void 0,r.isPromise=function(e){return!(!e||"function"!=typeof e.then)},r.microSeconds=function(){var e=(new Date).getTime();return e===t?1e3*e+ ++n:(n=0,1e3*(t=e))},r.randomInt=function(e,t){return Math.floor(Math.random()*(t-e+1)+e)},r.randomToken=function(){return Math.random().toString(36).substring(2)},r.sleep=function(t,n){t=t||0;return new Promise(function(e){return setTimeout(function(){return e(n)},t)})};var e=Promise.resolve(!1),e=(r.PROMISE_RESOLVED_FALSE=e,Promise.resolve(!0)),e=(r.PROMISE_RESOLVED_TRUE=e,Promise.resolve());r.PROMISE_RESOLVED_VOID=e;var t=0,n=0;e="[object process]"===Object.prototype.toString.call(void 0!==o?o:0);r.isNode=e}.call(this)}.call(this,e("_process"))},{_process:18}],13:[function(e,t,n){t.exports=function(e){return e&&e.__esModule?e:{default:e}},t.exports.__esModule=!0,t.exports.default=t.exports},{}],14:[function(e,t,n){function o(e){return t.exports=o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},t.exports.__esModule=!0,t.exports.default=t.exports,o(e)}t.exports=o,t.exports.__esModule=!0,t.exports.default=t.exports},{}],15:[function(e,t,n){},{}],16:[function(e,t,n){t.exports=!1},{}],17:[function(e,t,n){"use strict";function o(e){this.ttl=e,this.map=new Map,this._to=!1}function r(e){for(var t=i()-e.ttl,n=e.map[Symbol.iterator]();;){var o=n.next().value;if(!o)return;var r=o[0];if(!(o[1]<t))return;e.map.delete(r)}}function i(){return(new Date).getTime()}Object.defineProperty(n,"__esModule",{value:!0}),n.now=n.removeTooOldValues=n.ObliviousSet=void 0,o.prototype.has=function(e){return this.map.has(e)},o.prototype.add=function(e){var t=this;this.map.set(e,i()),this._to||(this._to=!0,setTimeout(function(){t._to=!1,r(t)},0))},o.prototype.clear=function(){this.map.clear()},n.ObliviousSet=o,n.removeTooOldValues=r,n.now=i},{}],18:[function(e,t,n){var o,r,t=t.exports={};function i(){throw new Error("setTimeout has not been defined")}function s(){throw new Error("clearTimeout has not been defined")}try{o="function"==typeof setTimeout?setTimeout:i}catch(e){o=i}try{r="function"==typeof clearTimeout?clearTimeout:s}catch(e){r=s}function a(t){if(o===setTimeout)return setTimeout(t,0);if((o===i||!o)&&setTimeout)return(o=setTimeout)(t,0);try{return o(t,0)}catch(e){try{return o.call(null,t,0)}catch(e){return o.call(this,t,0)}}}var u,c=[],l=!1,d=-1;function f(){l&&u&&(l=!1,u.length?c=u.concat(c):d=-1,c.length&&h())}function h(){if(!l){for(var e=a(f),t=(l=!0,c.length);t;){for(u=c,c=[];++d<t;)u&&u[d].run();d=-1,t=c.length}u=null,l=!1,!function(t){if(r===clearTimeout)return clearTimeout(t);if((r===s||!r)&&clearTimeout)return(r=clearTimeout)(t);try{r(t)}catch(e){try{return r.call(null,t)}catch(e){return r.call(this,t)}}}(e)}}function p(e,t){this.fun=e,this.array=t}function m(){}t.nextTick=function(e){var t=new Array(arguments.length-1);if(1<arguments.length)for(var n=1;n<arguments.length;n++)t[n-1]=arguments[n];c.push(new p(e,t)),1!==c.length||l||a(h)},p.prototype.run=function(){this.fun.apply(null,this.array)},t.title="browser",t.browser=!0,t.env={},t.argv=[],t.version="",t.versions={},t.on=m,t.addListener=m,t.once=m,t.off=m,t.removeListener=m,t.removeAllListeners=m,t.emit=m,t.prependListener=m,t.prependOnceListener=m,t.listeners=function(e){return[]},t.binding=function(e){throw new Error("process.binding is not supported")},t.cwd=function(){return"/"},t.chdir=function(e){throw new Error("process.chdir is not supported")},t.umask=function(){return 0}},{}],19:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0}),n.default=void 0,n.default={add:function(e){"function"==typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope||"function"==typeof window.addEventListener&&(window.addEventListener("beforeunload",function(){e()},!0),window.addEventListener("unload",function(){e()},!0))}}},{}],20:[function(e,t,n){"use strict";var o=e("@babel/runtime/helpers/interopRequireDefault"),n=(Object.defineProperty(n,"__esModule",{value:!0}),n.add=function(e){if(a||(a=!0,i.add(u)),"function"!=typeof e)throw new Error("Listener is no function");return s.add(e),{remove:function(){return s.delete(e)},run:function(){return s.delete(e),e()}}},n.getSize=function(){return s.size},n.removeAll=function(){s.clear()},n.runAll=u,o(e("detect-node"))),r=o(e("./browser.js")),o=o(e("./node.js")),i=(n.default?o:r).default,s=new Set,a=!1;function u(){var t=[];return s.forEach(function(e){t.push(e()),s.delete(e)}),Promise.all(t)}},{"./browser.js":19,"./node.js":15,"@babel/runtime/helpers/interopRequireDefault":13,"detect-node":16}]},{},[2]);
\ No newline at end of file
diff --git a/dist/lib/method-chooser.js b/dist/lib/method-chooser.js
index 3ceea0f3..8f242f54 100644
--- a/dist/lib/method-chooser.js
+++ b/dist/lib/method-chooser.js
@@ -18,7 +18,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -34,7 +33,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/dist/lib/methods/node.js b/dist/lib/methods/node.js
index 3d7d67e8..05ec2e9d 100644
--- a/dist/lib/methods/node.js
+++ b/dist/lib/methods/node.js
@@ -54,8 +54,6 @@ var _net = _interopRequireDefault(require("net"));
 
 var _path = _interopRequireDefault(require("path"));
 
-var _microtime = _interopRequireDefault(require("microtime"));
-
 var _rimraf = _interopRequireDefault(require("rimraf"));
 
 var _detectNode = _interopRequireDefault(require("detect-node"));
@@ -679,10 +677,11 @@ function _cleanOldMessages() {
       while (1) {
         switch (_context15.prev = _context15.next) {
           case 0:
-            olderThen = Date.now() - ttl;
+            olderThen = microSeconds() - ttl * 1000; // convert ttl to microseconds
+
             _context15.next = 3;
             return Promise.all(messageObjects.filter(function (obj) {
-              return obj.time / 1000 < olderThen;
+              return obj.time < olderThen;
             }).map(function (obj) {
               return unlink(obj.path)["catch"](function () {
                 return null;
@@ -1182,5 +1181,10 @@ function averageResponseTime() {
 }
 
 function microSeconds() {
-  return parseInt(_microtime["default"].now());
+  // convert nano to micro seconds
+  return parseInt(now() / 1000);
+}
+
+function now() {
+  return Number(process.hrtime.bigint()); // returns nanoseconds
 }
\ No newline at end of file
diff --git a/docs/e2e.js b/docs/e2e.js
index da9f83a2..2c9ce277 100644
--- a/docs/e2e.js
+++ b/docs/e2e.js
@@ -788,7 +788,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -804,7 +803,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/docs/iframe.js b/docs/iframe.js
index d56f33c3..f18bc865 100644
--- a/docs/iframe.js
+++ b/docs/iframe.js
@@ -788,7 +788,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -804,7 +803,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/docs/index.js b/docs/index.js
index ca19aa4c..a9d685d6 100644
--- a/docs/index.js
+++ b/docs/index.js
@@ -788,7 +788,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -804,7 +803,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/docs/leader-iframe.js b/docs/leader-iframe.js
index 1239a4bd..3240b069 100644
--- a/docs/leader-iframe.js
+++ b/docs/leader-iframe.js
@@ -788,7 +788,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -804,7 +803,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/docs/worker.js b/docs/worker.js
index abcc401f..bec8a300 100644
--- a/docs/worker.js
+++ b/docs/worker.js
@@ -788,7 +788,6 @@ var _localstorage = _interopRequireDefault(require("./methods/localstorage.js"))
 var _simulate = _interopRequireDefault(require("./methods/simulate.js"));
 
 
-
 var _util = require("./util.js");
 
 function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
@@ -804,7 +803,6 @@ function chooseMethod(options) {
   var chooseMethods = [].concat(options.methods, METHODS).filter(Boolean); // the line below will be removed from es5/browser builds
 
 
-
   if (options.type) {
     if (options.type === 'simulate') {
       // only use simulate-method if directly chosen
diff --git a/package.json b/package.json
index 9e22bf4d..4e977043 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "broadcast-channel",
-  "version": "4.14.0",
+  "version": "4.15.0",
   "description": "A BroadcastChannel that works in New Browsers, Old Browsers, WebWorkers and NodeJs",
   "exports": {
     ".": {