PayPay’s 40% Stake in Binance Japan May Enable BNB Purchases Through PayPay Money

• PayPay bought 40% of Binance Japan, creating an equity-method affiliate relationship.

• PayPay plans integrated services to let users buy and sell crypto with PayPay Money.

• PayPay processed 380 million remittances in 2024, up 36% year-over-year, underscoring scale for crypto adoption.

PayPay Binance Japan acquisition: PayPay buys 40% of Binance Japan, enabling crypto via PayPay Money. Read the deal details, user impact, and market context.

What is the PayPay acquisition of Binance Japan?

The PayPay Binance Japan acquisition is a capital and business agreement under which PayPay, a mobile payment service operated by SoftBank Group affiliates, acquired a 40% equity stake in Binance Japan in September 2025. The move makes Binance Japan an equity-method affiliate and enables integrated fiat-to-crypto flows using PayPay Money.

How does the deal change payments and crypto access in Japan?

The agreement links PayPay’s payment rails with Binance Japan’s crypto marketplace to offer a seamless on-ramp. Users will be able to fund crypto purchases via PayPay Money, combining PayPay’s user base and compliance controls with Binance Japan’s trading services. This aims to lower friction for mainstream adoption while using existing cashless infrastructure.

PayPay emphasized that this investment advances its evolution from a cashless payments business toward a broader digital financial platform. In public statements, PayPay highlighted synergies with group financial firms and plans to deliver new user value while supporting Japan’s financial infrastructure modernization.

Bank transfers volume in Japan versus PayPay remittances in 2024. Source: PayPay

PayPay reported surpassing 70 million users and processing at least 380 million remittances in 2024, a 36% increase from 2023. Those figures highlight PayPay’s domestic scale and its capacity to route significant fiat flows into digital assets when integrated with an exchange partner.

Why did PayPay apply for a US listing and how is it relevant?

PayPay confidentially filed for a U.S. listing of American depositary shares in August 2025, seeking to scale globally and access broader capital markets. The potential US listing can provide strategic capital to support international expansion, including integrated payment and crypto services across new markets such as South Korea and beyond.

BNB (BNB) market cap has added about $60 billion, surging by 48% since Sept. 9, 2025. Source: CoinGecko

The acquisition coincides with a strong BNB rally; BNB traded near $1,300 and had risen roughly 26% over the prior seven days, with a market capitalization around $182 billion, based on market data reported by CoinGecko.

How will users buy crypto through PayPay and Binance Japan?

Integration will let users fund crypto purchases using PayPay Money as the fiat source. The expected flow includes account linkage, PayPay Money funding, and a one-click purchase experience inside Binance Japan’s interface or through PayPay’s payments flow.

1. Link a PayPay account to Binance Japan (authorization and KYC required).
2. Fund PayPay Money balance via bank transfer or remittance channels.
3. Execute crypto purchases on Binance Japan using PayPay Money at checkout.

Frequently Asked Questions

What does the 40% stake mean for Binance Japan’s operations?

The 40% stake makes Binance Japan an equity-method affiliate of PayPay, enabling closer operational and product collaboration while preserving Binance Japan’s exchange functions and regulatory responsibilities.

Is PayPay going public in the U.S.?

PayPay confidentially filed for a U.S. listing in August 2025. The timing, size, and terms remain subject to market conditions and regulatory approvals.

Key Takeaways

• Strategic investment: PayPay acquired 40% of Binance Japan to integrate payments and crypto services.
• User impact: PayPay Money will be offered as a fiat on-ramp for Binance Japan users, simplifying purchases.
• Market context: PayPay’s large user base and remittance volume position it to accelerate mainstream crypto access in Japan.

Conclusion

The PayPay Binance Japan acquisition marks a major step toward integrating mainstream payment rails with cryptocurrency markets in Japan. By combining PayPay’s scale and Binance Japan’s trading platform, the deal aims to simplify fiat-to-crypto flows and support broader adoption. Monitor regulatory updates and product rollouts for timing and availability.