diff --git a/frontend/src/components/UtxoCard.jsx b/frontend/src/components/UtxoCard.jsx
deleted file mode 100644
index 2665174..0000000
--- a/frontend/src/components/UtxoCard.jsx
+++ /dev/null
@@ -1,84 +0,0 @@
-import { useState } from 'react'
-import VulnerabilityBadge from './VulnerabilityBadge'
-import styles from './UtxoCard.module.css'
-
-function truncateAddress(addr) {
-  if (!addr || addr.length <= 20) return addr
-  return `${addr.slice(0, 12)}…${addr.slice(-8)}`
-}
-
-function truncateTxid(txid) {
-  if (!txid || txid.length <= 24) return txid
-  return `${txid.slice(0, 16)}…${txid.slice(-8)}`
-}
-
-export default function UtxoCard({ utxo }) {
-  const [open, setOpen] = useState(false)
-  const isClean = utxo.vulnerabilities.length === 0
-
-  const highestSeverity = utxo.vulnerabilities.reduce((acc, v) => {
-    const order = { high: 3, medium: 2, low: 1 }
-    return (order[v.severity] ?? 0) > (order[acc] ?? 0) ? v.severity : acc
-  }, null)
-
-  return (
-    <div
-      className={`${styles.card} ${isClean ? styles.clean : styles.hasVulnerabilities}`}
-    >
-      <div
-        className={styles.header}
-        onClick={() => setOpen((o) => !o)}
-        role="button"
-        aria-expanded={open}
-      >
-        <div className={styles.headerLeft}>
-          <div className={styles.addressRow}>
-            <span className={styles.address} title={utxo.address}>
-              {truncateAddress(utxo.address)}
-            </span>
-          </div>
-          <div className={styles.badges}>
-            {isClean ? (
-              <span className={styles.cleanLabel}>✓ Clean</span>
-            ) : (
-              utxo.vulnerabilities.map((v, i) => (
-                <VulnerabilityBadge key={i} type={v.type} severity={v.severity} />
-              ))
-            )}
-          </div>
-        </div>
-
-        <div className={styles.headerRight}>
-          <span className={styles.amount}>
-            {utxo.amountBtc.toFixed(8)} BTC
-          </span>
-          <span className={styles.confirmations}>
-            {utxo.confirmations.toLocaleString()} confs
-          </span>
-        </div>
-
-        <span className={`${styles.chevron} ${open ? styles.open : ''}`}>▼</span>
-      </div>
-
-      <div className={`${styles.detail} ${open ? styles.open : ''}`}>
-        <span className={styles.txidLabel}>txid</span>
-        <div className={styles.txid}>
-          {utxo.txid}:{utxo.vout}
-        </div>
-
-        {!isClean && (
-          <div className={styles.vulnerabilityList}>
-            {utxo.vulnerabilities.map((v, i) => (
-              <div key={i} className={`${styles.vulnItem} ${styles[v.severity]}`}>
-                <div className={styles.vulnHeader}>
-                  <VulnerabilityBadge type={v.type} severity={v.severity} />
-                </div>
-                <p className={styles.vulnDesc}>{v.description}</p>
-              </div>
-            ))}
-          </div>
-        )}
-      </div>
-    </div>
-  )
-}
diff --git a/frontend/src/components/UtxoCard.module.css b/frontend/src/components/UtxoCard.module.css
deleted file mode 100644
index 9e0dbcf..0000000
--- a/frontend/src/components/UtxoCard.module.css
+++ /dev/null
@@ -1,168 +0,0 @@
-.card {
-  background: var(--surface);
-  border: 1px solid var(--border);
-  border-radius: var(--radius-lg);
-  overflow: hidden;
-  transition: border-color var(--transition);
-}
-
-.card:hover {
-  border-color: var(--border-hover);
-}
-
-.card.hasVulnerabilities {
-  border-left: 3px solid var(--danger);
-}
-
-.card.clean {
-  border-left: 3px solid var(--accent);
-}
-
-.header {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 16px 20px;
-  cursor: pointer;
-  gap: 16px;
-  user-select: none;
-}
-
-.headerLeft {
-  display: flex;
-  flex-direction: column;
-  gap: 6px;
-  min-width: 0;
-  flex: 1;
-}
-
-.addressRow {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-}
-
-.address {
-  font-family: var(--font-data);
-  font-size: 14px;
-  color: var(--text);
-  white-space: nowrap;
-  overflow: hidden;
-  text-overflow: ellipsis;
-}
-
-.badges {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 6px;
-}
-
-.cleanLabel {
-  font-size: 11px;
-  font-weight: 600;
-  color: var(--accent);
-  letter-spacing: 0.05em;
-  text-transform: uppercase;
-}
-
-.headerRight {
-  display: flex;
-  flex-direction: column;
-  align-items: flex-end;
-  gap: 4px;
-  flex-shrink: 0;
-}
-
-.amount {
-  font-family: var(--font-data);
-  font-size: 16px;
-  font-weight: 500;
-  color: var(--text);
-}
-
-.confirmations {
-  font-size: 12px;
-  color: var(--text-muted);
-}
-
-.chevron {
-  color: var(--text-muted);
-  font-size: 12px;
-  transition: transform var(--transition);
-  flex-shrink: 0;
-}
-
-.chevron.open {
-  transform: rotate(180deg);
-}
-
-/* Detail panel */
-.detail {
-  border-top: 1px solid var(--border);
-  padding: 0;
-  overflow: hidden;
-  max-height: 0;
-  transition: max-height 0.3s ease, padding 0.3s ease;
-}
-
-.detail.open {
-  max-height: 600px;
-  padding: 16px 20px;
-}
-
-.txid {
-  font-family: var(--font-data);
-  font-size: 12px;
-  color: var(--text-muted);
-  word-break: break-all;
-  margin-bottom: 16px;
-}
-
-.txidLabel {
-  font-size: 11px;
-  font-weight: 600;
-  text-transform: uppercase;
-  letter-spacing: 0.06em;
-  color: var(--text-dim);
-  display: block;
-  margin-bottom: 4px;
-}
-
-.vulnerabilityList {
-  display: flex;
-  flex-direction: column;
-  gap: 12px;
-}
-
-.vulnItem {
-  border-radius: var(--radius);
-  padding: 14px 16px;
-}
-
-.vulnItem.high {
-  background: var(--danger-dim);
-  border: 1px solid rgba(255, 77, 109, 0.2);
-}
-
-.vulnItem.medium {
-  background: var(--warning-dim);
-  border: 1px solid rgba(244, 162, 97, 0.2);
-}
-
-.vulnItem.low {
-  background: var(--safe-dim);
-  border: 1px solid rgba(46, 196, 182, 0.2);
-}
-
-.vulnHeader {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  margin-bottom: 8px;
-}
-
-.vulnDesc {
-  font-size: 13px;
-  color: var(--text-muted);
-  line-height: 1.6;
-}
diff --git a/frontend/src/mocks/mockData.js b/frontend/src/mocks/mockData.js
deleted file mode 100644
index 57d1b26..0000000
--- a/frontend/src/mocks/mockData.js
+++ /dev/null
@@ -1,90 +0,0 @@
-export const mockReport = {
-  descriptor: 'wpkh([a1b2c3d4/84h/0h/0h]xpub6CatWdiZynkCminahu8Gmr7FAVnQXBTSMaBxn6qmBNkdm9tDkFzWmjmDrLBCQSTa7BHgpEjCXzMTCyDsQLSmcGYJHBB7cTwpqLNRKGP47uw/0/*)#qwer1234',
-  summary: {
-    total: 5,
-    clean: 1,
-    vulnerable: 4,
-  },
-  utxos: [
-    {
-      txid: '3a7f2b8c1d4e9f0a6b5c2d7e8f3a1b4c9d2e5f0a7b8c1d4e9f2a5b6c3d7e8f1',
-      vout: 0,
-      address: 'bc1qxy2kgdygjrsqtzq2n0yrf2493p83kkfjhx0wlh',
-      amountBtc: 0.05234891,
-      confirmations: 1842,
-      vulnerabilities: [],
-    },
-    {
-      txid: 'b4c8e2f6a1d5b9c3e7f1a5d9b3c7e1f5a9d3b7c1e5f9a3d7b1c5e9f3a7d1b5',
-      vout: 1,
-      address: 'bc1qar0srrr7xfkvy5l643lydnw9re59gtzzwf5mdq',
-      amountBtc: 0.00023000,
-      confirmations: 312,
-      vulnerabilities: [
-        {
-          type: 'DUST_SPEND',
-          severity: 'medium',
-          description:
-            'This UTXO is near the dust threshold. Spending it may cost more in fees than its value, and dust outputs are often used as tracking vectors by chain surveillance companies.',
-        },
-        {
-          type: 'ADDRESS_REUSE',
-          severity: 'high',
-          description:
-            'This address has received funds in 3 separate transactions. Address reuse breaks the one-time-address privacy model and allows observers to link all deposits to the same wallet.',
-        },
-      ],
-    },
-    {
-      txid: 'f9e3d7c1b5a9f3d7c1b5a9f3d7c1b5a9f3d7c1b5a9f3d7c1b5a9f3d7c1b5a9',
-      vout: 0,
-      address: 'bc1q9h7garjcdkl4h5khfz2yxkhsmhep5j7g4cjtch',
-      amountBtc: 0.12000000,
-      confirmations: 4521,
-      vulnerabilities: [
-        {
-          type: 'CONSOLIDATION',
-          severity: 'medium',
-          description:
-            'This UTXO was created by consolidating 7 inputs in a single transaction. Consolidation reveals that all input addresses belong to the same wallet, reducing privacy significantly.',
-        },
-      ],
-    },
-    {
-      txid: '2c6e0a4f8b2d6e0a4f8b2d6e0a4f8b2d6e0a4f8b2d6e0a4f8b2d6e0a4f8b2d',
-      vout: 2,
-      address: 'bc1qm34mqf4vn8f5vhf0q3djg2zuzfm9aap6e3n4j',
-      amountBtc: 0.87654321,
-      confirmations: 98,
-      vulnerabilities: [
-        {
-          type: 'CIOH',
-          severity: 'high',
-          description:
-            'Common Input Ownership Heuristic (CIOH): this UTXO was spent alongside UTXOs from different derivation paths in the same transaction, strongly suggesting to analysts that all inputs share a common owner.',
-        },
-        {
-          type: 'ADDRESS_REUSE',
-          severity: 'high',
-          description:
-            'This address appears in 5 transactions as both sender and receiver, a pattern that severely compromises wallet privacy and makes cluster analysis trivial.',
-        },
-      ],
-    },
-    {
-      txid: '7d1b5e9f3a7d1b5e9f3a7d1b5e9f3a7d1b5e9f3a7d1b5e9f3a7d1b5e9f3a7d',
-      vout: 0,
-      address: 'bc1qcr8te4kr609gcawutmrza0j4xv80jy8zeqchgx',
-      amountBtc: 0.00500000,
-      confirmations: 2103,
-      vulnerabilities: [
-        {
-          type: 'DUST_SPEND',
-          severity: 'low',
-          description:
-            'A small dust amount was received at this address in a prior transaction. While the dust has not been spent, its presence could be used to track this UTXO if included in a future transaction.',
-        },
-      ],
-    },
-  ],
-}