# KB Pay

> Source: https://docs.barcoder.ai/docs/wallets/kb-pay
> research date 2026-05-29 · extracted at 2026-10-03
> Publisher: Barcoder — encyclopedia of QR, barcode and payment-code standards

Specifications:
- [KB Pay — official](https://kbpay.kbcard.com/)

## Overview

**KB Pay** is **KB Kookmin Card's Korean mobile wallet** + financial-services super-app, operated by **KB Financial Group's card subsidiary** <sup>[1][1], [2][2], [Korea, Republic of report](https://docs.barcoder.ai/docs/payments/KR)</sup>. **February 2025 — KB Pay surpassed 14 million registered users**.

**KB Kookmin Bank context** <sup>[3][3]</sup>: **South Korea's largest bank** with **>584.9 trillion won ($266.7 billion) in total assets** (Q4 2025 factbook).

**Distinctive KB Pay features** <sup>[2][2]</sup>:
- **Money transfer + overseas remittance + currency exchange services**
- **Credit cards + gift certificates registered** on app for online + offline use
- **KB Financial Group ecosystem integration** — KB Kookmin Bank + KB Insurance + KB Securities + KB Asset Management

**2025 stablecoin pilot** <sup>[4][4]</sup>: **KB Financial completed stablecoin pilot for offline payments** — distinctive Korean-mega-bank crypto innovation.

## History

**2020 — KB Pay launches** <sup>[3][3]</sup> as KB Kookmin Card's mobile wallet.

**2021-2024 — Mass Korean adoption** <sup>[1][1]</sup>: Multi-million user growth.

**February 2025 — 14 million registered users** <sup>[3][3]</sup>.

**2025 — KB Financial completed stablecoin pilot for offline payments** <sup>[4][4]</sup>.

## Ownership & operator

**Operating entity**: **KB Kookmin Card** (KB Financial Group subsidiary).

**Parent**: **KB Financial Group (KOSPI: 105560)** — South Korea's largest financial-services group via KB Kookmin Bank (>584.9T won / $266.7B assets Q4 2025).

**Regulators**: **FSC + FSS Korea**.

## Technical integration

| Layer | Description |
|---|---|
| **Channels** | KB Pay mobile app (iOS + Android) + KB Kookmin Card |
| **Identifiers** | Phone + card number |
| **KR rail** | **[Zero Pay](https://docs.barcoder.ai/docs/standards/zero-pay)** (KR national QR) |
| **Sub-products** | KB Pay (mobile wallet) + KB Kookmin Card credit/debit + money transfer + overseas remittance + currency exchange + KB Insurance + KB Securities + KB Asset Management integration |
| **2025 stablecoin pilot** | KB Financial completed offline-payments stablecoin pilot |
| **License** | Bank (KB Financial Group; KB Kookmin Bank) + card issuer |

## Users & growth

**February 2025 baseline** <sup>[3][3]</sup>:
- **Registered users**: 14+ million
- **KB Kookmin Bank assets (Q4 2025 factbook)**: >584.9T won ($266.7B)

## Use cases

Korean mobile-payment via KB Pay; KB Kookmin Card credit/debit registration on app; money transfer + overseas remittance + currency exchange; KB Financial Group ecosystem (KB Insurance + KB Securities + KB Asset Management integration); 2025 stablecoin pilot for offline payments.

## Implementations & partners

**Operator**: **KB Kookmin Card** (KB Financial Group subsidiary).

**Parent**: **KB Financial Group (KOSPI: 105560)** — South Korea's largest financial-services group.

**Major Korean mobile-payment competitors**:
- **[Naver Financial / Naver Pay](https://docs.barcoder.ai/docs/wallets/naver-financial)** (Naver Pay; 30.6M+ users / 24% market share)
- **[KakaoPay](https://docs.barcoder.ai/docs/wallets/kakaopay)** (Batch 2 covered; Kakao-affiliated)
- **[Samsung Pay (Samsung Wallet)](https://docs.barcoder.ai/docs/wallets/samsung-pay)** (Batch 6 covered; Samsung Electronics)
- **[Toss](https://docs.barcoder.ai/docs/wallets/toss)** (Batch 3 covered; Viva Republica)
- **[Toss Bank](https://docs.barcoder.ai/docs/wallets/toss-bank)** (Batch 28 covered; Korea's 3rd internet-only bank)
- **[PayCO](https://docs.barcoder.ai/docs/wallets/payco)** (NHN PayCo; 12M+ users)

**Regulators**: **FSC + FSS Korea**.

## Fun facts

- **2020 launch by KB Kookmin Card** — KB Financial Group's mobile wallet.
- **14M registered users (Feb 2025)**.
- **KB Kookmin Bank** = South Korea's largest bank with >$266.7B assets (Q4 2025).
- **2025 stablecoin pilot for offline payments** completed by KB Financial — distinctive Korean-mega-bank crypto innovation.
- **Money transfer + overseas remittance + currency exchange + credit card / gift certificate registration** distinctive features.
- **Naver Pay (30.6M) + KakaoPay + KB Pay (14M) + PayCO (12M)** — KR mobile-payment top tier.

## Comparison

| Feature | KB Pay | [Naver Financial / Naver Pay](https://docs.barcoder.ai/docs/wallets/naver-financial) (KR #1 by users rival) | [KakaoPay](https://docs.barcoder.ai/docs/wallets/kakaopay) (Batch 2; KR rival) | [PayCO](https://docs.barcoder.ai/docs/wallets/payco) (NHN rival) | [Samsung Pay (Samsung Wallet)](https://docs.barcoder.ai/docs/wallets/samsung-pay) (Batch 6; KR rival) |
|---|---|---|---|---|---|
| Operator | **KB Kookmin Card (KB Financial Group KOSPI: 105560)** | Naver Financial Corporation (Naver Corp KOSPI: 035420; Mirae Asset Capital) | Kakao Pay (Kakao-affiliated) | NHN PayCo | Samsung Electronics |
| Type | **KR mega-bank-anchored mobile wallet + KB Kookmin Card** | KR most-widely-used mobile payment + Naver ecosystem (shopping + Webtoon + Cloud) | KR Kakao messaging-ecosystem super-app + KakaoBank sister | KR mobile payment + NHN entertainment ecosystem | KR/global tokenized contactless on Samsung phones |
| Country | South Korea | South Korea | South Korea | South Korea | South Korea + global |
| Users | **14M+ registered (Feb 2025)** | 30.6M (~60% KR population; 24% market share) | Major Kakao-ecosystem | 12M+ (~10% market share) | Major Samsung devices |
| Parent assets | **KB Kookmin Bank >$266.7B (Q4 2025) — KR largest bank** | Naver Corporation KR internet portal leader | Kakao messaging leader | NHN entertainment | Samsung Electronics global tech |
| Distinctive | **2025 stablecoin pilot for offline payments; money transfer + overseas remittance + currency exchange; KB Financial Group ecosystem (Insurance + Securities + Asset Management)** | Naver Webtoon 160M monthly users; Q3 2025 KRW 22.7T tx | Kakao messaging integration; KakaoBank sister | NHN entertainment + university-student popularity | Samsung Pay tokenized contactless |

## Status

**Active, KB Kookmin Card's Korean mobile wallet + KB Financial Group ecosystem super-app** <sup>[3][3]</sup>:
- **KB Kookmin Card (KB Financial Group subsidiary; KOSPI: 105560)** with KB Pay since 2020.
- **14M+ registered users (Feb 2025)**.
- **KB Kookmin Bank** = South Korea's largest bank (>$266.7B Q4 2025 assets).
- **2025 stablecoin pilot for offline payments** completed.
- **FSC + FSS Korea regulated**.

## Sources

[1]: https://mwm.ai/apps/kb-pay/695436326 "KB Pay financial super app — MWM"
[2]: https://www.koreaherald.com/article/2452435 "KB Card launches mobile payment solution — Korea Herald"
[3]: https://www.koreaherald.com/article/10636058 "KB Kookmin Bank largest KR bank Q4 2025 — Korea Herald"
[4]: https://cointelegraph.com/news/south-korean-kb-financial-stablecoin-pilot-offline-payments "KB Financial stablecoin pilot offline payments — Cointelegraph"
[kr-cro]: https://docs.barcoder.ai/docs/payments/KR

- [1] [KB Pay financial super app — MWM][1]
- [2] [KB Card mobile payment solution — Korea Herald][2]
- [3] [KB Kookmin Bank largest KR bank Q4 2025 — Korea Herald][3]
- [4] [KB Financial stablecoin pilot — Cointelegraph][4]
- <sup>[Korea, Republic of report](https://docs.barcoder.ai/docs/payments/KR)</sup> In-corpus: `reports/countries/KR-south-korea.md`

## Source

Biography extracted from [kb-pay.md](https://docs.barcoder.ai/source/wallets/kb-pay). See `matrix.md` for standards-support matrix if present.