diff --git a/projects/keepkey-vault/src/bun/emulator-confirm-details.test.ts b/projects/keepkey-vault/src/bun/emulator-confirm-details.test.ts
new file mode 100644
index 00000000..6b4e49e8
--- /dev/null
+++ b/projects/keepkey-vault/src/bun/emulator-confirm-details.test.ts
@@ -0,0 +1,180 @@
+/**
+ * The emulator confirm dialog must not MISREPRESENT a Hive operation.
+ *
+ * /hive/sign-operations hands the device a pre-serialized blob, so the dialog
+ * has nothing to read amounts out of unless the caller passes the op array. It
+ * previously showed "Hive Sign Operations / Chain: HIVE" and nothing else — the
+ * user approved a claim, a market order and a power-down through an identical
+ * prompt. These tests pin the two properties that matter: the op is named, and
+ * no row is invented for an op that has no counterparty.
+ */
+import { describe, it, expect } from 'bun:test'
+import { hiveConfirmDetails, hiveMessagePreview } from './emulator-confirm-details'
+
+describe('hiveConfirmDetails', () => {
+  it('names the operation instead of a bare chain header', () => {
+    const d = hiveConfirmDetails('hiveSignOperations', [
+      ['claim_reward_balance', {
+        account: 'alice',
+        reward_hive: '1.500 HIVE',
+        reward_hbd: '0.000 HBD',
+        reward_vests: '1000.000000 VESTS',
+      }],
+    ])
+    expect(d.opLabel).toBe('Claim Rewards')
+    expect(d.chain).toBe('Hive')
+  })
+
+  it('omits zero rewards so the real amount is not buried', () => {
+    const d = hiveConfirmDetails('hiveSignOperations', [
+      ['claim_reward_balance', {
+        account: 'alice',
+        reward_hive: '1.500 HIVE',
+        reward_hbd: '0.000 HBD',
+        reward_vests: '1000.000000 VESTS',
+      }],
+    ])
+    expect(d.value).toContain('1.500 HIVE')
+    expect(d.value).toContain('1000.000000 VESTS')
+    expect(d.value).not.toContain('0.000 HBD')
+  })
+
+  it('does not forge a recipient for an op that has none', () => {
+    // Claim/cancel/profile act on the signer's own account. A "To:" row here
+    // would be a claim the operation does not make.
+    for (const op of [
+      ['claim_reward_balance', { account: 'alice', reward_hive: '1.500 HIVE' }],
+      ['limit_order_cancel', { owner: 'alice', orderid: 1 }],
+      ['account_update2', { account: 'alice', posting_json_metadata: '{}' }],
+    ] as Array<[string, any]>) {
+      const d = hiveConfirmDetails('hiveSignOperations', [op])
+      expect(d.to, `${op[0]} invented a To row`).toBeUndefined()
+    }
+  })
+
+  it('labels the counterparty by its real role', () => {
+    const del = hiveConfirmDetails('hiveSignOperations', [
+      ['delegate_vesting_shares', { delegator: 'alice', delegatee: 'bob', vesting_shares: '1000.000000 VESTS' }],
+    ])
+    expect(del.to).toBe('@bob')
+    expect(del.toLabel).toBe('Delegatee')
+
+    const vote = hiveConfirmDetails('hiveSignOperations', [
+      ['vote', { voter: 'alice', author: 'bob', permlink: 'a-post', weight: 10000 }],
+    ])
+    expect(vote.toLabel).toBe('Post')
+    expect(vote.to).toContain('@bob')
+  })
+
+  it('says "self" for a self power-up rather than showing an empty row', () => {
+    const d = hiveConfirmDetails('hiveSignOperations', [
+      ['transfer_to_vesting', { from: 'alice', to: '', amount: '1.500 HIVE' }],
+    ])
+    expect(d.to).toBe('self')
+    expect(d.value).toBe('1.500 HIVE')
+  })
+
+  it('shows both sides of a market order', () => {
+    const d = hiveConfirmDetails('hiveSignOperations', [
+      ['limit_order_create', {
+        owner: 'alice', orderid: 1,
+        amount_to_sell: '1.500 HIVE', min_to_receive: '0.400 HBD',
+        fill_or_kill: false, expiration: 1700003600,
+      }],
+    ])
+    expect(d.opLabel).toBe('Market Order')
+    expect(d.value).toBe('1.500 HIVE → 0.400 HBD')
+  })
+
+  it('never claims a single recipient for a batch', () => {
+    const d = hiveConfirmDetails('hiveSignOperations', [
+      ['comment', { author: 'alice', permlink: 'p', title: 'T', body: 'b', json_metadata: '{}' }],
+      ['comment_options', { author: 'alice', permlink: 'p', percent_hbd: 10000 }],
+    ])
+    expect(d.opLabel).toBe('2 Hive operations')
+    expect(d.to).toBeUndefined()
+    expect(d.memo).toContain('Post / Comment')
+    expect(d.memo).toContain('Payout Options')
+  })
+
+  it('asserts nothing when the op array is missing or unparseable', () => {
+    // Better a bare dialog than a fabricated one — the OLED is still correct.
+    for (const bad of [undefined, null, [], 'nonsense', [{ not: 'an op' }]]) {
+      const d = hiveConfirmDetails('hiveSignOperations', bad)
+      expect(d.chain).toBe('Hive')
+      expect(d.opLabel).toBeUndefined()
+      expect(d.to).toBeUndefined()
+      expect(d.value).toBeUndefined()
+    }
+  })
+})
+
+describe('hiveMessagePreview', () => {
+  it('shows the login message a dApp is asking to sign', () => {
+    const msg = Buffer.from('{login: "bithighlander22"}', 'utf8')
+    expect(hiveMessagePreview(msg)).toBe('{login: "bithighlander22"}')
+  })
+
+  it('collapses whitespace and truncates rather than flooding the dialog', () => {
+    const long = Buffer.from('a'.repeat(200), 'utf8')
+    const out = hiveMessagePreview(long)
+    expect(out.length).toBeLessThanOrEqual(65)
+    expect(out.endsWith('…')).toBe(true)
+    expect(hiveMessagePreview(Buffer.from('a\n\n  b', 'utf8'))).toBe('a b')
+  })
+
+  it('reports binary payloads as bytes instead of mojibake', () => {
+    // Keychain signs a serialized Buffer as raw bytes; those are not text.
+    const bin = Buffer.from([0xff, 0xfe, 0x00, 0x01])
+    expect(hiveMessagePreview(bin)).toBe('4 bytes (binary)')
+  })
+
+  it('reports VALID-UTF-8 control bytes as binary, not invisible text', () => {
+    // 00 01 02 03 is well-formed UTF-8, so a decode round-trip alone accepts
+    // it and the dialog would show an empty-looking message for a payload the
+    // device is being asked to sign.
+    expect(hiveMessagePreview(Buffer.from([0x00, 0x01, 0x02, 0x03]))).toBe('4 bytes (binary)')
+    // Embedded NUL inside otherwise-printable text.
+    expect(hiveMessagePreview(Buffer.from([0x61, 0x62, 0x00, 0x63, 0x64]))).toBe('5 bytes (binary)')
+  })
+
+  it('reports bidi/zero-width controls as binary — they spoof what is read', () => {
+    // U+202E RIGHT-TO-LEFT OVERRIDE reorders the rendered string, so the text
+    // shown can differ from the bytes signed.
+    const rlo = Buffer.from('user‮exe.gnp', 'utf8')
+    expect(hiveMessagePreview(rlo)).toBe(`${rlo.length} bytes (binary)`)
+    // U+200B ZERO WIDTH SPACE — invisible, so "alice" and "al​ice" look identical.
+    const zwsp = Buffer.from('al​ice', 'utf8')
+    expect(hiveMessagePreview(zwsp)).toBe(`${zwsp.length} bytes (binary)`)
+  })
+
+  it('still accepts ordinary whitespace and non-ASCII text', () => {
+    expect(hiveMessagePreview(Buffer.from('line1\nline2\tend', 'utf8'))).toBe('line1 line2 end')
+    expect(hiveMessagePreview(Buffer.from('gm 🛹 skatehive', 'utf8'))).toBe('gm 🛹 skatehive')
+  })
+
+  it('reports whitespace-only payloads as binary rather than an empty dialog', () => {
+    expect(hiveMessagePreview(Buffer.from('   \n\t ', 'utf8'))).toBe('6 bytes (binary)')
+  })
+})
+
+describe('vote weight formatting', () => {
+  const pct = (weight: number) =>
+    hiveConfirmDetails('hiveSignOperations', [
+      ['vote', { voter: 'alice', author: 'bob', permlink: 'p', weight }],
+    ] as any).value
+
+  it('does not round fractional basis-point weights to a wrong percentage', () => {
+    // toFixed(0) reported these as 0%, 1% and -1% — misstating the vote.
+    expect(pct(1)).toBe('0.01%')
+    expect(pct(50)).toBe('0.5%')
+    expect(pct(-50)).toBe('-0.5%')
+  })
+
+  it('keeps whole percentages clean', () => {
+    expect(pct(10000)).toBe('100%')
+    expect(pct(-10000)).toBe('-100%')
+    expect(pct(0)).toBe('0%')
+    expect(pct(500)).toBe('5%')
+  })
+})
diff --git a/projects/keepkey-vault/src/bun/emulator-confirm-details.ts b/projects/keepkey-vault/src/bun/emulator-confirm-details.ts
index ff76655d..35083d60 100644
--- a/projects/keepkey-vault/src/bun/emulator-confirm-details.ts
+++ b/projects/keepkey-vault/src/bun/emulator-confirm-details.ts
@@ -155,3 +155,176 @@ export function evmConfirmDetails(operation: string, fallbackChain: string, para
     memo: `data ${selector}${decoded ? '' : ' (unrecognized)'}`,
   }
 }
+
+// ── Hive ────────────────────────────────────────────────────────────────
+//
+// /hive/sign-operations sends the device a pre-serialized Graphene blob, so
+// unlike every other chain the confirm dialog has no params to read amounts
+// out of — without this it showed "Hive Sign Operations / Chain: HIVE" and
+// nothing else, for a tx that may carry up to four distinct operations. The
+// caller passes the ORIGINAL op array (the same one it serialized) purely for
+// display; nothing here feeds the serializer.
+//
+// Multi-screen ops (claim_reward_balance is 2 screens, limit_order_create 2,
+// comment_options 2 + one per beneficiary) raise one prompt PER firmware
+// ButtonRequest, so the same summary is shown on each press. That is intended:
+// the OLED behind it is what changes, and it stays authoritative.
+
+/** Human label per op — same wording the extension's approval card uses. */
+const HIVE_OP_LABELS: Record<string, string> = {
+  vote: 'Vote',
+  comment: 'Post / Comment',
+  comment_options: 'Payout Options',
+  custom_json: 'Custom JSON',
+  transfer_to_vesting: 'Power Up',
+  withdraw_vesting: 'Power Down',
+  delegate_vesting_shares: 'Delegate HP',
+  transfer_to_savings: 'Savings Deposit',
+  transfer_from_savings: 'Savings Withdraw',
+  claim_reward_balance: 'Claim Rewards',
+  convert: 'Convert HBD',
+  account_update2: 'Update Profile',
+  limit_order_create: 'Market Order',
+  limit_order_cancel: 'Cancel Order',
+}
+
+/**
+ * The counterparty account an op acts on, and what to call it. Returns null
+ * when an op has no meaningful counterparty (claim, cancel, profile update) —
+ * better to show no "To:" row than to forge one from the signer's own name.
+ */
+function hiveCounterparty(name: string, p: any): { to: string; toLabel: string } | null {
+  const at = (v: any) => (typeof v === 'string' && v ? `@${v}` : null)
+  switch (name) {
+    case 'vote': {
+      const a = at(p?.author)
+      return a ? { to: `${a}/${p?.permlink ?? ''}`, toLabel: 'Post' } : null
+    }
+    case 'comment_options': {
+      const a = at(p?.author)
+      return a ? { to: `${a}/${p?.permlink ?? ''}`, toLabel: 'Post' } : null
+    }
+    case 'transfer_to_vesting': {
+      // to may be "" meaning self — say so rather than showing an empty row.
+      const a = at(p?.to)
+      return { to: a ?? 'self', toLabel: 'To' }
+    }
+    case 'transfer_to_savings':
+    case 'transfer_from_savings': {
+      const a = at(p?.to)
+      return a ? { to: a, toLabel: 'To' } : null
+    }
+    case 'delegate_vesting_shares': {
+      const a = at(p?.delegatee)
+      return a ? { to: a, toLabel: 'Delegatee' } : null
+    }
+    default:
+      return null
+  }
+}
+
+/** The amount an op moves, verbatim as serialized (already a Hive asset string). */
+function hiveValue(name: string, p: any): string | undefined {
+  const asset = (v: any) => (typeof v === 'string' && v ? v : undefined)
+  switch (name) {
+    case 'transfer_to_vesting':
+    case 'transfer_to_savings':
+    case 'transfer_from_savings':
+    case 'convert':
+      return asset(p?.amount)
+    case 'withdraw_vesting':
+    case 'delegate_vesting_shares':
+      return asset(p?.vesting_shares)
+    case 'limit_order_create':
+      return asset(p?.amount_to_sell) && asset(p?.min_to_receive)
+        ? `${p.amount_to_sell} → ${p.min_to_receive}`
+        : asset(p?.amount_to_sell)
+    case 'claim_reward_balance': {
+      // Only the non-zero rewards — a claim is typically 2 of 3, and printing
+      // "0.000 HIVE" alongside the real one buries it.
+      const parts = [p?.reward_hive, p?.reward_hbd, p?.reward_vests]
+        .filter((v: any) => typeof v === 'string' && v && !/^0(\.0+)? /.test(v))
+      return parts.length ? parts.join(' + ') : undefined
+    }
+    case 'vote': {
+      // Weight is basis points (-10000..10000), so 1bp = 0.01%. toFixed(0)
+      // would round a real 0.5% vote to "1%" and a 0.01% vote to "0%" —
+      // misreporting the value being signed. Keep up to two decimals and drop
+      // trailing zeros so whole percentages still read as "100%".
+      const w = Number(p?.weight)
+      if (!Number.isFinite(w)) return undefined
+      return `${Number((w / 100).toFixed(2))}%`
+    }
+    default:
+      return undefined
+  }
+}
+
+/**
+ * Build confirm details for a Hive operation batch.
+ *
+ * `ops` is the condenser-style [[name, params], …] array. A single op gets the
+ * full treatment (label, counterparty, amount); a batch names the count and
+ * lists the ops, since one dialog cannot honestly claim a single recipient for
+ * four operations.
+ */
+export function hiveConfirmDetails(operation: string, ops: any): EmulatorConfirmDetails {
+  const list: Array<[string, any]> = Array.isArray(ops)
+    ? ops.filter((o: any) => Array.isArray(o) && typeof o[0] === 'string')
+    : []
+
+  if (list.length === 0) {
+    // Unparseable/absent — say nothing rather than guess. The OLED still shows
+    // the real thing; this dialog just adds no claim of its own.
+    return { operation, chain: 'Hive' }
+  }
+
+  if (list.length === 1) {
+    const [name, p] = list[0]
+    const party = hiveCounterparty(name, p)
+    return {
+      operation,
+      opLabel: HIVE_OP_LABELS[name] ?? name,
+      chain: 'Hive',
+      ...(party ? { to: party.to, toLabel: party.toLabel } : {}),
+      value: hiveValue(name, p),
+      memo: name, // the raw op name, so an unlabeled op is still identifiable
+    }
+  }
+
+  return {
+    operation,
+    opLabel: `${list.length} Hive operations`,
+    chain: 'Hive',
+    memo: list.map(([name]) => HIVE_OP_LABELS[name] ?? name).join(' · '),
+  }
+}
+
+/**
+ * One-line preview of a Hive signBuffer payload for the confirm dialog.
+ *
+ * Keychain signBuffer is overwhelmingly dApp login, where the message names the
+ * site and account being logged into — the single fact worth showing. Binary
+ * payloads are reported as a byte count rather than rendered as mojibake.
+ */
+export function hiveMessagePreview(messageBytes: ArrayLike<number>): string {
+  const bytes = Buffer.from(Array.from(messageBytes))
+  const txt = bytes.toString('utf8')
+  const binary = `${bytes.length} bytes (binary)`
+  // Round-trip check: a lossy decode means it was not UTF-8 text.
+  if (!Buffer.from(txt, 'utf8').equals(bytes)) return binary
+  // A round-trip alone is not enough: 00 01 02 03 and embedded NULs are VALID
+  // UTF-8, so they survive it and would render as invisible "text". Bidi and
+  // other format controls are worse than invisible — they reorder what the
+  // user reads, so a payload could display as something other than what is
+  // signed. Anything carrying control or format characters is reported by
+  // byte count instead of rendered.
+  //   \p{C} = control, format, surrogate, private-use, unassigned
+  // Tab/newline/CR are ordinary whitespace in a login message and are folded
+  // to spaces below, so they are dropped before the test rather than exempted
+  // inside it (a trailing \p{C} in one pattern would match them too).
+  if (/\p{C}/u.test(txt.replace(/[\t\n\r]/g, ''))) return binary
+  const oneLine = txt.replace(/\s+/g, ' ').trim()
+  if (!oneLine) return binary
+  return oneLine.length > 64 ? `${oneLine.slice(0, 64)}…` : oneLine
+}
diff --git a/projects/keepkey-vault/src/bun/rest-api.ts b/projects/keepkey-vault/src/bun/rest-api.ts
index 28ab9a17..647b1c61 100644
--- a/projects/keepkey-vault/src/bun/rest-api.ts
+++ b/projects/keepkey-vault/src/bun/rest-api.ts
@@ -2179,10 +2179,11 @@ export function startRestApi(engine: EngineController, auth: AuthStore, port = 1
           // Default to the posting role — Keychain signBuffer is overwhelmingly
           // dApp login, which verifies against the account's posting authority.
           const addressNList = body.addressNList || body.address_n || hiveRolePath('posting', 0)
+          const { hiveMessagePreview } = await import('./emulator-confirm-details')
           const result = await emuWrap(() => (wallet as any).hiveSignMessage({
             addressNList,
             message: new Uint8Array(messageBytes),
-          }), { operation: 'hiveSignMessage', chain: 'HIVE' })
+          }), { operation: 'hiveSignMessage', opLabel: 'Sign Message', chain: 'Hive', memo: hiveMessagePreview(messageBytes) })
           if (!result?.signature) throw new HttpError(500, 'Hive sign-message: device returned no signature')
           const sigBytes = result.signature instanceof Uint8Array ? Buffer.from(result.signature) : Buffer.from(String(result.signature), 'hex')
           const pubBytes = result.publicKey instanceof Uint8Array ? Buffer.from(result.publicKey) : Buffer.from(String(result.publicKey), 'hex')
@@ -2237,11 +2238,12 @@ export function startRestApi(engine: EngineController, auth: AuthStore, port = 1
 
           // Role from op tier unless the caller pinned a path
           const addressNList = body.addressNList || body.address_n || hiveRolePath(serialized.tier, 0)
+          const { hiveConfirmDetails } = await import('./emulator-confirm-details')
           const result: any = await emuWrap(() => (wallet as any).hiveSignOperations({
             addressNList,
             chainId: txParams.chainId,
             serializedTx: new Uint8Array(serialized.serializedTx),
-          }), { operation: 'hiveSignOperations', chain: 'HIVE' })
+          }), hiveConfirmDetails('hiveSignOperations', body.operations))
           if (!result?.signature) throw new HttpError(500, 'Hive sign-operations: device returned no signature')
           const sigBytes = result.signature instanceof Uint8Array ? Buffer.from(result.signature) : Buffer.from(String(result.signature), 'hex')
           // Return the expiration derived from the SIGNED expirationUnix (the value