SBI Shinsei Bank will reportedly launch a service that rewards depositors with cryptocurrency exchange vouchers based on their account balance.

According to Customers will receive vouchers equal to 20% of their interest payments, in addition to their yen-denominated interest, Nikkei reports. Vouchers can be exchanged for Bitcoin (BTC), Ether (ETH) or XRP within a specified period.

To redeem the vouchers, customers will need to open an account with SBI VC Trade, the crypto exchange arm of SBI.

The rollout turns traditional savings products into a crypto on-ramp, potentially exposing mainstream bank customers to digital assets without requiring them to make a direct purchase.

Ahead of the permanent launch, SBI Shinsei will reportedly run a three-month campaign starting Wednesday, covering regular deposits and time deposits of three months to five years.

SBI expands crypto push into deposits, lending and investment products

The deposit voucher service follows SBI Group’s several crypto initiatives as the financial conglomerate prepares for wider digital asset adoption in Japan.

On March 18, SBI VC Trade launched a retail USDC lending service, allowing users to lend the stablecoin on the platform under fixed-term contracts in exchange for returns. The product is structured as a loan to the exchange rather than a bank deposit, which means customers take on the risk of the counterparty directly.

Related: Startale raises $50M from SBI to complete $63M Series A round.

SBI is also expanding its position in the local crypto exchange market. On May 1, the group said it was considering acquiring a stake in the Bitbank trading platform and making it an integrated subsidiary, a month after SBI VC Trade absorbed Bitpoint Japan.

Top Crypto Exchange in Japan Source: CoinGecko

The group’s securities arm is also developing crypto investment products. SBI Securities reportedly plans to sell funds created by SBI Global Asset Management, including investment trusts and exchange-traded funds (ETFs) focused on crypto assets such as BTC and ETH.

The move shows the group is working to create crypto access points in regulated channels, from bank deposits and exchange services to securities products and stablecoin lending.

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