diff --git a/forum-network/src/classes/actors/expert.js b/forum-network/src/classes/actors/expert.js
index 99f98bb..3a6f9e8 100644
--- a/forum-network/src/classes/actors/expert.js
+++ b/forum-network/src/classes/actors/expert.js
@@ -1,7 +1,9 @@
 import { Action } from '../display/action.js';
 import { PostMessage } from '../forum-network/message.js';
-import { CryptoUtil } from '../util/crypto.js';
+import { CryptoUtil } from '../supporting/crypto.js';
 import { ReputationHolder } from '../reputation/reputation-holder.js';
+import { EdgeTypes } from '../../util/constants.js';
+import { displayNumber } from '../../util/helpers.js';
 
 export class Expert extends ReputationHolder {
   constructor(dao, name, scene, options) {
@@ -20,6 +22,25 @@ export class Expert extends ReputationHolder {
     this.tokens = [];
   }
 
+  getReputation() {
+    const authorVertex = this.dao.forum.graph.getVertex(this.reputationPublicKey);
+    if (!authorVertex) {
+      return 0;
+    }
+    const authorEdges = authorVertex.getEdges(EdgeTypes.AUTHOR, false);
+    const tokenValues = authorEdges.map(({ data: { tokenId } }) => this.dao.reputation.valueOf(tokenId));
+    return tokenValues.reduce((value, total) => total += value, 0);
+  }
+
+  getLabel() {
+    return `${this.name}
+    <table><tr>
+      <td>reputation</td>
+      <td>${displayNumber(this.getReputation())}</td>
+    </tr></table>`
+      .replaceAll(/\n\s*/g, '');
+  }
+
   async initialize() {
     this.reputationKey = await CryptoUtil.generateAsymmetricKey();
     // this.reputationPublicKey = await CryptoUtil.exportKey(this.reputationKey.publicKey);
diff --git a/forum-network/src/classes/dao/availability.js b/forum-network/src/classes/dao/availability.js
index 47d936d..8cdb638 100644
--- a/forum-network/src/classes/dao/availability.js
+++ b/forum-network/src/classes/dao/availability.js
@@ -1,6 +1,6 @@
 import { Action } from '../display/action.js';
 import { Actor } from '../display/actor.js';
-import { CryptoUtil } from '../util/crypto.js';
+import { CryptoUtil } from '../supporting/crypto.js';
 
 class Worker {
   constructor(reputationPublicKey, tokenId, stakeAmount, duration) {
diff --git a/forum-network/src/classes/dao/business.js b/forum-network/src/classes/dao/business.js
index 67a2705..8c266ee 100644
--- a/forum-network/src/classes/dao/business.js
+++ b/forum-network/src/classes/dao/business.js
@@ -1,7 +1,7 @@
-import { randomID } from '../../util.js';
+import { randomID } from '../../util/helpers.js';
 import { Action } from '../display/action.js';
 import { Actor } from '../display/actor.js';
-import { PostContent } from '../util/post-content.js';
+import { PostContent } from '../supporting/post-content.js';
 
 class Request {
   static nextSeq = 0;
diff --git a/forum-network/src/classes/dao/forum.js b/forum-network/src/classes/dao/forum.js
index 01175ca..cbfac86 100644
--- a/forum-network/src/classes/dao/forum.js
+++ b/forum-network/src/classes/dao/forum.js
@@ -3,18 +3,10 @@ import { Action } from '../display/action.js';
 import { Actor } from '../display/actor.js';
 import params from '../../params.js';
 import { ReputationHolder } from '../reputation/reputation-holder.js';
-import { displayNumber, EPSILON, INCINERATOR_ADDRESS } from '../../util.js';
-
-const EdgeTypes = {
-  CITATION: 'citation',
-  BALANCE: 'balance',
-  AUTHOR: 'author',
-};
-
-const VertexTypes = {
-  POST: 'post',
-  AUTHOR: 'author',
-};
+import { displayNumber } from '../../util/helpers.js';
+import {
+  EPSILON, INCINERATOR_ADDRESS, EdgeTypes, VertexTypes,
+} from '../../util/constants.js';
 
 class Post extends Actor {
   constructor(forum, senderId, postContent) {
@@ -65,36 +57,7 @@ class Post extends Actor {
   async setValue(value) {
     this.value = value;
     await this.setDisplayValue('value', value);
-    this.forum.graph.setVertexDisplayLabel(this.id, this.getLabel());
-  }
-}
-
-class Author extends Actor {
-  constructor(forum, publicKey) {
-    super(publicKey, forum.scene);
-    this.forum = forum;
-    this.publicKey = publicKey;
-    this.name = publicKey;
-  }
-
-  getReputation() {
-    const authorVertex = this.forum.graph.getVertex(this.publicKey);
-    if (!authorVertex) {
-      return 0;
-    }
-    const authorEdges = authorVertex.getEdges(EdgeTypes.AUTHOR, false);
-    const tokenValues = authorEdges.map(({ data: { tokenId } }) => this.forum.dao.reputation.valueOf(tokenId));
-    console.log('getReputation', { authorEdges, tokenValues });
-    return tokenValues.reduce((value, total) => total += value, 0);
-  }
-
-  getLabel() {
-    return `${this.name}
-    <table><tr>
-      <td>reputation</td>
-      <td>${displayNumber(this.getReputation())}</td>
-    </tr></table>`
-      .replaceAll(/\n\s*/g, '');
+    this.forum.graph.getVertex(this.id).setDisplayLabel(this.getLabel());
   }
 }
 
@@ -155,21 +118,29 @@ export class Forum extends ReputationHolder {
     const post = postVertex.data;
     post.setStatus('Validated');
     post.initialValue = initialValue;
-    this.graph.setVertexDisplayLabel(post.id, post.getLabel());
+    postVertex.setDisplayLabel(post.getLabel());
 
     const addAuthorToGraph = (publicKey, weight, authorTokenId) => {
-      const author = new Author(this, publicKey);
+      // For graph display purposes, we want to use the existing Expert actors from the current scene.
+      const author = this.scene.findActor(({ reputationPublicKey }) => reputationPublicKey === publicKey);
+      if (author.options.hide) {
+        return;
+      }
       author.setDisplayValue('reputation', () => author.getReputation());
       const authorVertex = this.graph.getVertex(publicKey)
-        ?? this.graph.addVertex(VertexTypes.AUTHOR, publicKey, author, author.getLabel());
-      const authorEdge = this.graph.addEdge(
+        ?? this.graph.addVertex(VertexTypes.AUTHOR, publicKey, author, author.getLabel(), {
+          hide: author.options.hide,
+        });
+      this.graph.addEdge(
         EdgeTypes.AUTHOR,
         postVertex,
         authorVertex,
         weight,
         { tokenId: authorTokenId },
+        {
+          hide: author.options.hide,
+        },
       );
-      console.log('addAuthorToGraph', { authorVertex, authorEdge });
     };
 
     // In the case of multiple authors, mint additional (empty) tokens.
@@ -198,8 +169,9 @@ export class Forum extends ReputationHolder {
     );
 
     // Apply computed rewards to update values of tokens
-    for (const [authorTokenId, amount] of rewardsAccumulator) {
-      console.log('reward', { authorTokenId, amount });
+    for (const [authorEdge, amount] of rewardsAccumulator) {
+      const { to: authorVertex, data: { tokenId: authorTokenId } } = authorEdge;
+      const { data: author } = authorVertex;
       // The primary author gets the validation pool minted token.
       // So we don't need to transfer any reputation to the primary author.
       // Their reward will be the remaining balance after all other transfers.
@@ -210,6 +182,8 @@ export class Forum extends ReputationHolder {
           this.dao.reputation.transferValueFrom(tokenId, authorTokenId, amount);
         }
       }
+      await author.computeDisplayValues();
+      authorVertex.setDisplayLabel(author.getLabel());
     }
 
     // Transfer ownership of the minted tokens to the authors
@@ -218,8 +192,6 @@ export class Forum extends ReputationHolder {
       const author = authorVertex.data;
       const { tokenId: authorTokenId } = authorEdge.data;
       this.dao.reputation.transfer(this.id, author.publicKey, authorTokenId);
-      authorVertex.setDisplayLabel(author.getLabel());
-      await author.computeDisplayValues();
     }
   }
 
@@ -343,9 +315,9 @@ export class Forum extends ReputationHolder {
 
     // Apply reputation effects to post authors, not to the post directly
     for (const authorEdge of postVertex.getEdges(EdgeTypes.AUTHOR, true)) {
-      const { weight, data: { tokenId }, to: { data: author } } = authorEdge;
+      const { weight, to: { data: author } } = authorEdge;
       const authorIncrement = weight * appliedIncrement;
-      rewardsAccumulator.set(tokenId, authorIncrement);
+      rewardsAccumulator.set(authorEdge, authorIncrement);
       this.actions.propagate.log(post, author, `(${authorIncrement})`);
     }
 
diff --git a/forum-network/src/classes/dao/validation-pool.js b/forum-network/src/classes/dao/validation-pool.js
index 6348cfa..24dcc4d 100644
--- a/forum-network/src/classes/dao/validation-pool.js
+++ b/forum-network/src/classes/dao/validation-pool.js
@@ -3,7 +3,7 @@ import { Stake } from '../supporting/stake.js';
 import { Voter } from '../supporting/voter.js';
 import params from '../../params.js';
 import { Action } from '../display/action.js';
-import { displayNumber } from '../../util.js';
+import { displayNumber } from '../../util/helpers.js';
 
 const ValidationPoolStates = Object.freeze({
   OPEN: 'OPEN',
diff --git a/forum-network/src/classes/display/actor.js b/forum-network/src/classes/display/actor.js
index f489d4d..0f1b011 100644
--- a/forum-network/src/classes/display/actor.js
+++ b/forum-network/src/classes/display/actor.js
@@ -1,7 +1,13 @@
-import { displayNumber } from '../../util.js';
+import { displayNumber } from '../../util/helpers.js';
 
 export class Actor {
-  constructor(name, scene, { announce = false } = {}) {
+  /**
+   * @param {string} name
+   * @param {Scene} scene
+   * @param {boolean} options.announce
+   * @param {boolean} options.hide
+   */
+  constructor(name, scene, options = {}) {
     if (!scene) throw new Error('An actor without a scene!');
     this.name = name;
     this.scene = scene;
@@ -11,7 +17,8 @@ export class Actor {
     this.values = new Map();
     this.valueFunctions = new Map();
     this.active = 0;
-    scene?.registerActor(this, announce);
+    this.options = options;
+    scene?.registerActor(this);
   }
 
   activate() {
diff --git a/forum-network/src/classes/display/box.js b/forum-network/src/classes/display/box.js
index 46f49f6..bee1f88 100644
--- a/forum-network/src/classes/display/box.js
+++ b/forum-network/src/classes/display/box.js
@@ -1,5 +1,5 @@
 import { DisplayValue } from './display-value.js';
-import { randomID } from '../../util.js';
+import { randomID } from '../../util/helpers.js';
 
 export class Box {
   constructor(name, parentEl, options = {}) {
diff --git a/forum-network/src/classes/display/display-value.js b/forum-network/src/classes/display/display-value.js
index e92de70..70a2279 100644
--- a/forum-network/src/classes/display/display-value.js
+++ b/forum-network/src/classes/display/display-value.js
@@ -1,4 +1,4 @@
-import { displayNumber } from '../../util.js';
+import { displayNumber } from '../../util/helpers.js';
 
 export class DisplayValue {
   constructor(name, box) {
diff --git a/forum-network/src/classes/display/mermaid.js b/forum-network/src/classes/display/mermaid.js
index 9d42760..72f0171 100644
--- a/forum-network/src/classes/display/mermaid.js
+++ b/forum-network/src/classes/display/mermaid.js
@@ -1,5 +1,5 @@
 import mermaid from 'https://unpkg.com/mermaid@9.2.2/dist/mermaid.esm.min.mjs';
-import { debounce } from '../../util.js';
+import { debounce } from '../../util/helpers.js';
 
 export class MermaidDiagram {
   constructor(box, logBox) {
diff --git a/forum-network/src/classes/display/scene.js b/forum-network/src/classes/display/scene.js
index 344109c..8f62ad1 100644
--- a/forum-network/src/classes/display/scene.js
+++ b/forum-network/src/classes/display/scene.js
@@ -1,5 +1,5 @@
 import { Action } from './action.js';
-import { CryptoUtil } from '../util/crypto.js';
+import { CryptoUtil } from '../supporting/crypto.js';
 import { MermaidDiagram } from './mermaid.js';
 import { SequenceDiagram } from './sequence.js';
 import { Table } from './table.js';
@@ -86,9 +86,9 @@ export class Scene {
     return this;
   }
 
-  registerActor(actor, announce) {
+  registerActor(actor) {
     this.actors.add(actor);
-    if (announce) {
+    if (actor.options.announce) {
       this.sequence?.log(`participant ${actor.name}`);
     }
   }
@@ -116,10 +116,12 @@ export class Scene {
     row.set('elapsedMs', new Date() - this.dateStart);
     row.set('label', label);
     for (const actor of this.actors) {
-      for (const [aKey, { name, value }] of actor.getValuesMap()) {
-        const key = `${actor.name}:${aKey}`;
-        columns.push({ key, title: name });
-        row.set(key, value);
+      if (!actor.options.hide) {
+        for (const [aKey, { name, value }] of actor.getValuesMap()) {
+          const key = `${actor.name}:${aKey}`;
+          columns.push({ key, title: name });
+          row.set(key, value);
+        }
       }
     }
     columns.push({ key: 'label', title: '' });
diff --git a/forum-network/src/classes/display/sequence.js b/forum-network/src/classes/display/sequence.js
index 39fbe2f..2a3b530 100644
--- a/forum-network/src/classes/display/sequence.js
+++ b/forum-network/src/classes/display/sequence.js
@@ -1,4 +1,4 @@
-import { hexToRGB } from '../../util.js';
+import { hexToRGB } from '../../util/helpers.js';
 import { MermaidDiagram } from './mermaid.js';
 
 export class SequenceDiagram extends MermaidDiagram {
diff --git a/forum-network/src/classes/display/table.js b/forum-network/src/classes/display/table.js
index ee579d4..670acde 100644
--- a/forum-network/src/classes/display/table.js
+++ b/forum-network/src/classes/display/table.js
@@ -1,4 +1,4 @@
-import { displayNumber } from '../../util.js';
+import { displayNumber } from '../../util/helpers.js';
 
 export class Table {
   constructor(box) {
diff --git a/forum-network/src/classes/forum-network/forum-node.js b/forum-network/src/classes/forum-network/forum-node.js
index b262357..ff76ed7 100644
--- a/forum-network/src/classes/forum-network/forum-node.js
+++ b/forum-network/src/classes/forum-network/forum-node.js
@@ -3,7 +3,7 @@ import {
   Message, PostMessage, PeerMessage, messageFromJSON,
 } from './message.js';
 import { NetworkNode } from './network-node.js';
-import { randomID } from '../../util.js';
+import { randomID } from '../../util/helpers.js';
 
 export class ForumNode extends NetworkNode {
   constructor(name, scene) {
diff --git a/forum-network/src/classes/forum-network/message.js b/forum-network/src/classes/forum-network/message.js
index 2e0ab81..c0cb1be 100644
--- a/forum-network/src/classes/forum-network/message.js
+++ b/forum-network/src/classes/forum-network/message.js
@@ -1,5 +1,5 @@
-import { CryptoUtil } from '../util/crypto.js';
-import { PostContent } from '../util/post-content.js';
+import { CryptoUtil } from '../supporting/crypto.js';
+import { PostContent } from '../supporting/post-content.js';
 
 export class Message {
   constructor(content) {
diff --git a/forum-network/src/classes/ideas/storage.js b/forum-network/src/classes/ideas/storage.js
index e317264..a2d6b1a 100644
--- a/forum-network/src/classes/ideas/storage.js
+++ b/forum-network/src/classes/ideas/storage.js
@@ -1,4 +1,4 @@
-import { randomID } from '../util/util.js';
+import { randomID } from '../util/util/helpers.js';
 
 class Pledge {
   constructor({ stake, duration }) {
diff --git a/forum-network/src/classes/reputation/reputation-holder.js b/forum-network/src/classes/reputation/reputation-holder.js
index 29696ae..5d89e61 100644
--- a/forum-network/src/classes/reputation/reputation-holder.js
+++ b/forum-network/src/classes/reputation/reputation-holder.js
@@ -1,4 +1,4 @@
-import { randomID } from '../../util.js';
+import { randomID } from '../../util/helpers.js';
 import { Actor } from '../display/actor.js';
 
 export class ReputationHolder extends Actor {
diff --git a/forum-network/src/classes/reputation/reputation-token.js b/forum-network/src/classes/reputation/reputation-token.js
index 65847d6..73ea289 100644
--- a/forum-network/src/classes/reputation/reputation-token.js
+++ b/forum-network/src/classes/reputation/reputation-token.js
@@ -1,6 +1,6 @@
 import { ERC721 } from '../supporting/erc721.js';
-
-import { EPSILON, randomID } from '../../util.js';
+import { randomID } from '../../util/helpers.js';
+import { EPSILON } from '../../util/constants.js';
 
 class Lock {
   constructor(tokenId, amount, duration) {
diff --git a/forum-network/src/classes/util/crypto.js b/forum-network/src/classes/supporting/crypto.js
similarity index 100%
rename from forum-network/src/classes/util/crypto.js
rename to forum-network/src/classes/supporting/crypto.js
diff --git a/forum-network/src/classes/util/post-content.js b/forum-network/src/classes/supporting/post-content.js
similarity index 100%
rename from forum-network/src/classes/util/post-content.js
rename to forum-network/src/classes/supporting/post-content.js
diff --git a/forum-network/src/classes/supporting/wdag.js b/forum-network/src/classes/supporting/wdag.js
index ac35558..e3a71bf 100644
--- a/forum-network/src/classes/supporting/wdag.js
+++ b/forum-network/src/classes/supporting/wdag.js
@@ -1,9 +1,12 @@
+const getEdgeKey = ({ from, to }) => btoa([from.id, to.id]).replaceAll(/[^A-Za-z0-9]+/g, '');
+
 export class Vertex {
-  constructor(graph, type, id, data) {
+  constructor(graph, type, id, data, options = {}) {
     this.graph = graph;
     this.type = type;
     this.id = id;
     this.data = data;
+    this.options = options;
     this.edges = {
       from: [],
       to: [],
@@ -17,17 +20,50 @@ export class Vertex {
   }
 
   setDisplayLabel(label) {
-    this.graph.setVertexDisplayLabel(this.id, label);
+    if (this.options.hide) {
+      return;
+    }
+    this.graph.flowchart?.log(`${this.id}[${label}]`);
   }
 }
 
 export class Edge {
-  constructor(type, from, to, weight, data) {
+  constructor(graph, type, from, to, weight, data, options = {}) {
+    this.graph = graph;
     this.from = from;
     this.to = to;
     this.type = type;
     this.weight = weight;
     this.data = data;
+    this.options = options;
+  }
+
+  getHtml() {
+    let html = '<table>';
+    for (const { type, weight } of this.graph.getEdges(null, this.from, this.to)) {
+      html += `<tr><td>${type}</td><td>${weight}</td></tr>`;
+    }
+    html += '</table>';
+    return html;
+  }
+
+  getFlowchartNode() {
+    return `${getEdgeKey(this)}(${this.getHtml()})`;
+  }
+
+  displayEdgeNode() {
+    if (this.options.hide) {
+      return;
+    }
+    this.graph.flowchart?.log(this.getFlowchartNode());
+  }
+
+  displayEdge() {
+    if (this.options.hide) {
+      return;
+    }
+    this.graph.flowchart?.log(`${this.from.id} --- ${this.getFlowchartNode()} --> ${this.to.id}`);
+    this.graph.flowchart?.log(`class ${getEdgeKey(this)} edge`);
   }
 }
 
@@ -46,11 +82,7 @@ export class WDAG {
     return this;
   }
 
-  setVertexDisplayLabel(id, label) {
-    this.flowchart?.log(`${id}[${label}]`);
-  }
-
-  addVertex(type, id, data, label) {
+  addVertex(type, id, data, label, options) {
     // Support simple case of auto-incremented numeric ids
     if (typeof id === 'object') {
       data = id;
@@ -59,9 +91,9 @@ export class WDAG {
     if (this.vertices.has(id)) {
       throw new Error(`Vertex already exists with id: ${id}`);
     }
-    const vertex = new Vertex(this, type, id, data);
+    const vertex = new Vertex(this, type, id, data, options);
     this.vertices.set(id, vertex);
-    this.setVertexDisplayLabel(id, label ?? id);
+    vertex.setDisplayLabel(id, label ?? id);
     return vertex;
   }
 
@@ -77,10 +109,6 @@ export class WDAG {
     return Array.from(this.vertices.values()).map(({ data }) => data);
   }
 
-  static getEdgeKey({ from, to }) {
-    return btoa([from.id, to.id]).replaceAll(/[^A-Za-z0-9]+/g, '');
-  }
-
   getEdge(type, from, to) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
@@ -88,7 +116,7 @@ export class WDAG {
       return undefined;
     }
     const edges = this.edgeTypes.get(type);
-    const edgeKey = WDAG.getEdgeKey({ from, to });
+    const edgeKey = getEdgeKey({ from, to });
     return edges?.get(edgeKey);
   }
 
@@ -96,46 +124,31 @@ export class WDAG {
     return this.getEdge(type, from, to)?.weight;
   }
 
-  getEdgeHtml({ from, to }) {
-    let html = '<table>';
-    for (const { type, weight } of this.getEdges(null, from, to)) {
-      html += `<tr><td>${type}</td><td>${weight}</td></tr>`;
-    }
-    html += '</table>';
-    return html;
-  }
-
-  getEdgeFlowchartNode(edge) {
-    const edgeKey = WDAG.getEdgeKey(edge);
-    return `${edgeKey}(${this.getEdgeHtml(edge)})`;
-  }
-
-  setEdgeWeight(type, from, to, weight, data) {
+  setEdgeWeight(type, from, to, weight, data, options) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
-    const edge = new Edge(type, from, to, weight, data);
+    const edge = new Edge(this, type, from, to, weight, data, options);
     let edges = this.edgeTypes.get(type);
     if (!edges) {
       edges = new Map();
       this.edgeTypes.set(type, edges);
     }
-    const edgeKey = WDAG.getEdgeKey(edge);
+    const edgeKey = getEdgeKey(edge);
     edges.set(edgeKey, edge);
-    this.flowchart?.log(this.getEdgeFlowchartNode(edge));
+    edge.displayEdgeNode();
     return edge;
   }
 
-  addEdge(type, from, to, weight, data) {
+  addEdge(type, from, to, weight, data, options) {
     from = from instanceof Vertex ? from : this.getVertex(from);
     to = to instanceof Vertex ? to : this.getVertex(to);
     if (this.getEdge(type, from, to)) {
       throw new Error(`Edge ${type} from ${from.id} to ${to.id} already exists`);
     }
-    const edge = this.setEdgeWeight(type, from, to, weight, data);
+    const edge = this.setEdgeWeight(type, from, to, weight, data, options);
     from.edges.from.push(edge);
     to.edges.to.push(edge);
-    this.flowchart?.log(`${from.id} --- ${this.getEdgeFlowchartNode(edge)} --> ${to.id}`);
-    this.flowchart?.log(`class ${WDAG.getEdgeKey(edge)} edge`);
+    edge.displayEdge();
     return edge;
   }
 
diff --git a/forum-network/src/classes/util/prioritized-queue.js b/forum-network/src/classes/util/prioritized-queue.js
deleted file mode 100644
index 79b5851..0000000
--- a/forum-network/src/classes/util/prioritized-queue.js
+++ /dev/null
@@ -1,24 +0,0 @@
-export class PrioritizedQueue {
-  constructor() {
-    this.buffer = [];
-  }
-
-  // Add an item to the buffer, ahead of the next lowest priority item
-  add(message, priority) {
-    const idx = this.buffer.findIndex((item) => item.priority < priority);
-    if (idx < 0) {
-      this.buffer.push({ message, priority });
-    } else {
-      this.buffer.splice(idx, 0, { message, priority });
-    }
-  }
-
-  // Return the highest priority item in the buffer
-  pop() {
-    if (!this.buffer.length) {
-      return null;
-    }
-    const item = this.buffer.shift();
-    return item.message;
-  }
-}
diff --git a/forum-network/src/tests/flowchart.test.html b/forum-network/src/tests/flowchart.test.html
index 97f9021..ff07fe1 100644
--- a/forum-network/src/tests/flowchart.test.html
+++ b/forum-network/src/tests/flowchart.test.html
@@ -14,7 +14,7 @@
   import { Scene } from '../classes/display/scene.js';
   import { Actor } from '../classes/display/actor.js';
   import { Action } from '../classes/display/action.js';
-  import { delay } from '../util.js';
+  import { delay } from '../util/helpers.js';
 
   const DEFAULT_DELAY_INTERVAL = 500;
 
diff --git a/forum-network/src/tests/reputation.test.html b/forum-network/src/tests/reputation.test.html
index 6c2bad7..d91e105 100644
--- a/forum-network/src/tests/reputation.test.html
+++ b/forum-network/src/tests/reputation.test.html
@@ -15,7 +15,7 @@
   // import { ValidationPool } from '../classes/validation-pool.js';
   // import { TokenHolder } from '../classes/token-holder.js';
   // import { ReputationToken } from '../classes/reputation-token.js';
-  import { delay } from '../util.js';
+  import { delay } from '../util/helpers.js';
 
   const DEFAULT_DELAY_INTERVAL = 500;
 
diff --git a/forum-network/src/tests/scripts/availability.test.js b/forum-network/src/tests/scripts/availability.test.js
index b4e1d37..418335c 100644
--- a/forum-network/src/tests/scripts/availability.test.js
+++ b/forum-network/src/tests/scripts/availability.test.js
@@ -3,9 +3,9 @@ import { Scene } from '../../classes/display/scene.js';
 import { Expert } from '../../classes/actors/expert.js';
 import { DAO } from '../../classes/dao/dao.js';
 import { Public } from '../../classes/actors/public.js';
-import { PostContent } from '../../classes/util/post-content.js';
+import { PostContent } from '../../classes/supporting/post-content.js';
 import { delayOrWait } from '../../classes/display/controls.js';
-import { mochaRun } from '../../util.js';
+import { mochaRun } from '../../util/helpers.js';
 
 const DELAY_INTERVAL = 100;
 const POOL_DURATION = 200;
diff --git a/forum-network/src/tests/scripts/business.test.js b/forum-network/src/tests/scripts/business.test.js
index dd3a524..97bb8b2 100644
--- a/forum-network/src/tests/scripts/business.test.js
+++ b/forum-network/src/tests/scripts/business.test.js
@@ -1,7 +1,7 @@
 import { Business } from '../../classes/dao/business.js';
 import { Scene } from '../../classes/display/scene.js';
 import { Box } from '../../classes/display/box.js';
-import { mochaRun } from '../../util.js';
+import { mochaRun } from '../../util/helpers.js';
 
 describe('Business', function tests() {
   this.timeout(0);
diff --git a/forum-network/src/tests/scripts/debounce.test.js b/forum-network/src/tests/scripts/debounce.test.js
index b0de18e..2945e18 100644
--- a/forum-network/src/tests/scripts/debounce.test.js
+++ b/forum-network/src/tests/scripts/debounce.test.js
@@ -2,7 +2,7 @@ import { Box } from '../../classes/display/box.js';
 import { Scene } from '../../classes/display/scene.js';
 import { Action } from '../../classes/display/action.js';
 import { Actor } from '../../classes/display/actor.js';
-import { debounce, delay, mochaRun } from '../../util.js';
+import { debounce, delay, mochaRun } from '../../util/helpers.js';
 
 describe('Debounce', () => {
   let scene;
diff --git a/forum-network/src/tests/scripts/forum-network.test.js b/forum-network/src/tests/scripts/forum-network.test.js
index 5cbe692..c40a394 100644
--- a/forum-network/src/tests/scripts/forum-network.test.js
+++ b/forum-network/src/tests/scripts/forum-network.test.js
@@ -1,10 +1,10 @@
 import { Box } from '../../classes/display/box.js';
 import { Scene } from '../../classes/display/scene.js';
-import { PostContent } from '../../classes/util/post-content.js';
+import { PostContent } from '../../classes/supporting/post-content.js';
 import { Expert } from '../../classes/actors/expert.js';
 import { ForumNode } from '../../classes/forum-network/forum-node.js';
 import { Network } from '../../classes/forum-network/network.js';
-import { mochaRun, randomID } from '../../util.js';
+import { mochaRun, randomID } from '../../util/helpers.js';
 import { delayOrWait } from '../../classes/display/controls.js';
 
 describe('Forum Network', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum.test-util.js b/forum-network/src/tests/scripts/forum/forum.test-util.js
index aabcd46..2409d0c 100644
--- a/forum-network/src/tests/scripts/forum/forum.test-util.js
+++ b/forum-network/src/tests/scripts/forum/forum.test-util.js
@@ -1,7 +1,7 @@
 import { Box } from '../../../classes/display/box.js';
 import { Scene } from '../../../classes/display/scene.js';
 import { Expert } from '../../../classes/actors/expert.js';
-import { PostContent } from '../../../classes/util/post-content.js';
+import { PostContent } from '../../../classes/supporting/post-content.js';
 import params from '../../../params.js';
 import { DAO } from '../../../classes/dao/dao.js';
 import { delayOrWait } from '../../../classes/display/controls.js';
@@ -55,12 +55,16 @@ export class ForumTest {
     return postId;
   }
 
-  async newExpert(options) {
+  async newExpert() {
+    // Hide by default, for simplicity of rendering first 9 forum tests
+    const options = {
+      hide: !this.options.displayAuthors,
+      announce: this.options.displayAuthors,
+    };
     const index = this.experts.length;
     const name = `Expert${index + 1}`;
     const expert = await new Expert(this.dao, name, this.scene, options).initialize();
     this.experts.push(expert);
-    // await expert.addComputedValue('rep', () => this.dao.reputation.valueOwnedBy(expert.reputationPublicKey));
     return expert;
   }
 
@@ -81,12 +85,13 @@ export class ForumTest {
     scene.addDisplayValue('q4. leachingValue').set(params.leachingValue);
     scene.addDisplayValue('&nbsp;');
 
-    this.dao = new DAO('DAO', scene, { announce: true });
+    // If we're going to announce experts, announce the DAO so it appears first.
+    this.dao = new DAO('DAO', scene, { announce: this.options.displayAuthors });
     this.forum = this.dao.forum;
     this.experts = [];
     this.posts = [];
 
-    await this.newExpert({ announce: true });
+    await this.newExpert();
 
     await this.dao.addComputedValue('total value', () => this.dao.reputation.getTotal());
   }
diff --git a/forum-network/src/tests/scripts/forum/forum1.test.js b/forum-network/src/tests/scripts/forum/forum1.test.js
index 2800972..b2e8895 100644
--- a/forum-network/src/tests/scripts/forum/forum1.test.js
+++ b/forum-network/src/tests/scripts/forum/forum1.test.js
@@ -1,13 +1,15 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
   this.timeout(0);
 
-  const forumTest = new ForumTest();
+  const forumTest = new ForumTest({ displayAuthors: false });
 
   before(async () => {
     await forumTest.setup();
+    await forumTest.newExpert();
+    await forumTest.newExpert();
   });
 
   context('Negative citation of a negative citation', async () => {
@@ -19,14 +21,14 @@ describe('Forum', function tests() {
 
     it('Post2 negatively cites Post1', async () => {
       const { forum, experts, posts } = forumTest;
-      await forumTest.addPost(experts[0], 10, [{ postId: posts[0], weight: -1 }]);
+      await forumTest.addPost(experts[1], 10, [{ postId: posts[0], weight: -1 }]);
       forum.getPost(posts[0]).value.should.equal(0);
       forum.getPost(posts[1]).value.should.equal(20);
     });
 
     it('Post3 negatively cites Post2, restoring Post1 post to its initial value', async () => {
       const { forum, experts, posts } = forumTest;
-      await forumTest.addPost(experts[0], 10, [{ postId: posts[1], weight: -1 }]);
+      await forumTest.addPost(experts[2], 10, [{ postId: posts[1], weight: -1 }]);
       forum.getPost(posts[0]).value.should.equal(10);
       forum.getPost(posts[1]).value.should.equal(0);
       forum.getPost(posts[2]).value.should.equal(20);
@@ -34,11 +36,4 @@ describe('Forum', function tests() {
   });
 });
 
-// await addPost(experts[0], 10);
-// await addPost(experts[0], 10, [{ postId: posts[3], weight: -1 }]);
-// await addPost(experts[0], 10, [{ postId: posts[4], weight: -1 }]);
-
-// await addPost(expert3, 'Post 4', 100, [{ postId: postId2, weight: -1 }]);
-// await addPost(expert1, 'Post 5', 100, [{ postId: postId3, weight: -1 }]);
-
 mochaRun();
diff --git a/forum-network/src/tests/scripts/forum/forum10.test.js b/forum-network/src/tests/scripts/forum/forum10.test.js
index fa3fb02..fc21536 100644
--- a/forum-network/src/tests/scripts/forum/forum10.test.js
+++ b/forum-network/src/tests/scripts/forum/forum10.test.js
@@ -1,13 +1,15 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
   this.timeout(0);
 
-  const forumTest = new ForumTest();
+  const forumTest = new ForumTest({ displayAuthors: true });
 
   before(async () => {
     await forumTest.setup();
+    await forumTest.newExpert();
+    await forumTest.newExpert();
   });
 
   context('Post with multiple authors', async () => {
@@ -19,9 +21,6 @@ describe('Forum', function tests() {
       forum = forumTest.forum;
       experts = forumTest.experts;
       posts = forumTest.posts;
-
-      await forumTest.newExpert({ announce: true });
-      await forumTest.newExpert({ announce: true });
     });
 
     it('Post1', async () => {
diff --git a/forum-network/src/tests/scripts/forum/forum11.test.js b/forum-network/src/tests/scripts/forum/forum11.test.js
index 2d6e983..18553e6 100644
--- a/forum-network/src/tests/scripts/forum/forum11.test.js
+++ b/forum-network/src/tests/scripts/forum/forum11.test.js
@@ -1,13 +1,15 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
   this.timeout(0);
 
-  const forumTest = new ForumTest();
+  const forumTest = new ForumTest({ displayAuthors: true });
 
   before(async () => {
     await forumTest.setup();
+    await forumTest.newExpert();
+    await forumTest.newExpert();
   });
 
   context('Multiple posts with overlapping authors', async () => {
@@ -19,9 +21,6 @@ describe('Forum', function tests() {
       forum = forumTest.forum;
       experts = forumTest.experts;
       posts = forumTest.posts;
-
-      await forumTest.newExpert({ announce: true });
-      await forumTest.newExpert({ announce: true });
     });
 
     it('Post1 with two authors', async () => {
diff --git a/forum-network/src/tests/scripts/forum/forum2.test.js b/forum-network/src/tests/scripts/forum/forum2.test.js
index 6c76676..71b1e76 100644
--- a/forum-network/src/tests/scripts/forum/forum2.test.js
+++ b/forum-network/src/tests/scripts/forum/forum2.test.js
@@ -1,4 +1,4 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum3.test.js b/forum-network/src/tests/scripts/forum/forum3.test.js
index f8d65ce..1fd49e1 100644
--- a/forum-network/src/tests/scripts/forum/forum3.test.js
+++ b/forum-network/src/tests/scripts/forum/forum3.test.js
@@ -1,4 +1,4 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum4.test.js b/forum-network/src/tests/scripts/forum/forum4.test.js
index 2349110..1a35b13 100644
--- a/forum-network/src/tests/scripts/forum/forum4.test.js
+++ b/forum-network/src/tests/scripts/forum/forum4.test.js
@@ -1,4 +1,4 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum5.test.js b/forum-network/src/tests/scripts/forum/forum5.test.js
index 52e819b..b6c0a34 100644
--- a/forum-network/src/tests/scripts/forum/forum5.test.js
+++ b/forum-network/src/tests/scripts/forum/forum5.test.js
@@ -1,4 +1,4 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum6.test.js b/forum-network/src/tests/scripts/forum/forum6.test.js
index 8cb920e..69ddd39 100644
--- a/forum-network/src/tests/scripts/forum/forum6.test.js
+++ b/forum-network/src/tests/scripts/forum/forum6.test.js
@@ -1,4 +1,5 @@
-import { EPSILON, mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
+import { EPSILON } from '../../../util/constants.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum7.test.js b/forum-network/src/tests/scripts/forum/forum7.test.js
index 670e634..83cbf59 100644
--- a/forum-network/src/tests/scripts/forum/forum7.test.js
+++ b/forum-network/src/tests/scripts/forum/forum7.test.js
@@ -1,4 +1,4 @@
-import { mochaRun } from '../../../util.js';
+import { mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum8.test.js b/forum-network/src/tests/scripts/forum/forum8.test.js
index 513cc91..a27f0e2 100644
--- a/forum-network/src/tests/scripts/forum/forum8.test.js
+++ b/forum-network/src/tests/scripts/forum/forum8.test.js
@@ -1,4 +1,4 @@
-import { INCINERATOR_ADDRESS, mochaRun } from '../../../util.js';
+import { INCINERATOR_ADDRESS, mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/forum/forum9.test.js b/forum-network/src/tests/scripts/forum/forum9.test.js
index 5bc484a..321d182 100644
--- a/forum-network/src/tests/scripts/forum/forum9.test.js
+++ b/forum-network/src/tests/scripts/forum/forum9.test.js
@@ -1,4 +1,4 @@
-import { INCINERATOR_ADDRESS, mochaRun } from '../../../util.js';
+import { INCINERATOR_ADDRESS, mochaRun } from '../../../util/helpers.js';
 import { ForumTest } from './forum.test-util.js';
 
 describe('Forum', function tests() {
diff --git a/forum-network/src/tests/scripts/validation-pool.test.js b/forum-network/src/tests/scripts/validation-pool.test.js
index 3d1e8c4..337ff74 100644
--- a/forum-network/src/tests/scripts/validation-pool.test.js
+++ b/forum-network/src/tests/scripts/validation-pool.test.js
@@ -1,10 +1,10 @@
 import { Box } from '../../classes/display/box.js';
 import { Scene } from '../../classes/display/scene.js';
 import { Expert } from '../../classes/actors/expert.js';
-import { PostContent } from '../../classes/util/post-content.js';
+import { PostContent } from '../../classes/supporting/post-content.js';
 import { DAO } from '../../classes/dao/dao.js';
 import { delayOrWait } from '../../classes/display/controls.js';
-import { mochaRun } from '../../util.js';
+import { mochaRun } from '../../util/helpers.js';
 
 const POOL_DURATION_MS = 100;
 const DEFAULT_DELAY_MS = 100;
diff --git a/forum-network/src/tests/scripts/vm.test.js b/forum-network/src/tests/scripts/vm.test.js
index ffd1967..fd2b1df 100644
--- a/forum-network/src/tests/scripts/vm.test.js
+++ b/forum-network/src/tests/scripts/vm.test.js
@@ -2,7 +2,7 @@ import { Actor } from '../../classes/display/actor.js';
 import { Box } from '../../classes/display/box.js';
 import { Scene } from '../../classes/display/scene.js';
 import { VM } from '../../classes/supporting/vm.js';
-import { mochaRun } from '../../util.js';
+import { mochaRun } from '../../util/helpers.js';
 
 const contractIds = ['contract-id-1', 'contract-id-2'];
 
diff --git a/forum-network/src/tests/scripts/wdag.test.js b/forum-network/src/tests/scripts/wdag.test.js
index 439dd17..dfc15a3 100644
--- a/forum-network/src/tests/scripts/wdag.test.js
+++ b/forum-network/src/tests/scripts/wdag.test.js
@@ -1,7 +1,7 @@
 import { Box } from '../../classes/display/box.js';
 import { Scene } from '../../classes/display/scene.js';
 import { WDAG } from '../../classes/supporting/wdag.js';
-import { mochaRun } from '../../util.js';
+import { mochaRun } from '../../util/helpers.js';
 
 const rootElement = document.getElementById('scene');
 const rootBox = new Box('rootBox', rootElement).flex();
diff --git a/forum-network/src/util/constants.js b/forum-network/src/util/constants.js
new file mode 100644
index 0000000..65b28c9
--- /dev/null
+++ b/forum-network/src/util/constants.js
@@ -0,0 +1,14 @@
+export const EPSILON = 2.23e-16;
+
+export const INCINERATOR_ADDRESS = 0;
+
+export const EdgeTypes = {
+  CITATION: 'citation',
+  BALANCE: 'balance',
+  AUTHOR: 'author',
+};
+
+export const VertexTypes = {
+  POST: 'post',
+  AUTHOR: 'author',
+};
diff --git a/forum-network/src/util.js b/forum-network/src/util/helpers.js
similarity index 81%
rename from forum-network/src/util.js
rename to forum-network/src/util/helpers.js
index 427bfb1..53ad6ee 100644
--- a/forum-network/src/util.js
+++ b/forum-network/src/util/helpers.js
@@ -1,11 +1,5 @@
-import { CryptoUtil } from './classes/util/crypto.js';
-
 const timers = new Map();
 
-export const EPSILON = 2.23e-16;
-
-export const INCINERATOR_ADDRESS = 0;
-
 export const debounce = async (fn, delayMs) => {
   const timer = timers.get(fn);
   if (timer) {
@@ -39,7 +33,7 @@ export const displayNumber = (value, decimals = 2) => (value.toString().length >
   ? value.toFixed(decimals)
   : value);
 
-export const randomID = () => CryptoUtil.randomUUID().replaceAll('-', '').slice(0, 8);
+export const randomID = () => window.crypto.randomUUID().replaceAll('-', '').slice(0, 8);
 
 export const mochaRun = () => {
   if (mocha._state !== 'running') {