South Korean fintech platform Toss is stepping up its push into Web3 financial infrastructure. According to a report published by Blockmedia on April 6, 2026, Viva Republica, the company behind Toss, is developing a proprietary blockchain mainnet and a native digital asset strategy designed to connect its payments, banking, and securities businesses.
Toss serves about 30 million registered users, roughly 60% of South Korea’s population, through a super app that already includes Toss Bank, Toss Securities, and Toss Payments. If its own chain moves forward, the company would gain more direct control over onchain fees, governance, and application development, extending its existing financial ecosystem into blockchain-based services.
L1 or L2 Decision Still Depends on Regulation
Blockmedia said Toss is considering two technical routes: building a full Layer 1 blockchain from scratch or launching a customized Layer 2 on top of an existing network. People familiar with the matter said no final architecture has been selected. A major factor is the progress of South Korea’s proposed Digital Asset Basic Act, as the country’s regulatory framework for digital assets remains unsettled.
That uncertainty is especially relevant for stablecoins, where issuance could be affected by current rules covering commercial settlement and foreign exchange. Toss appears to be structuring its blockchain preparation around compliance readiness. Since February 2026, it has been hiring blockchain engineers for wallet systems, APIs and transaction processing, node operations, cryptographic signing, and financial compliance.
Stablecoin Task Force and 24 Trademark Filings
The company has also formed a dedicated stablecoin task force led by Chief Business Officer Kim Kyu-ha. In June 2025, Toss filed trademarks for 24 Korean won stablecoin names, including TOSSKRW. The filings suggest the company has been preparing early for won-denominated stablecoin products tied to real financial use cases.
Toss additionally confirmed that it is building a Web3 wallet integrated directly into its existing app, removing the need for a separate download. The wallet is expected to support virtual asset storage, transfers, payments, and management of tokenized securities. In a company statement, a spokesperson described digital-asset-based financial infrastructure as an important future area and said Toss is actively recruiting talent and reviewing broad cooperation with outside partners, with technology acquisition as a priority.
Money 3.0 Vision Targets Programmable Finance
At the Seoul Blockchain Meetup in March 2026, corporate development executive Seo Chang-hoon presented Toss’s “Money 3.0” framework. The concept focuses on programmable money using smart contracts, borderless finance that operates beyond currency, geography, and time constraints, and stablecoin issuance and distribution linked to real financial services.
The presentation included a proof of concept connecting Toss’s SohoScore small-business credit model to smart contracts for automated lending. Owning its own mainnet could let Toss design service rules and fee structures without relying on external chains or exposure to third-party governance changes.
Toss is not alone in South Korea’s race toward dedicated blockchain infrastructure. Dunamu, the operator of Upbit, is developing the Ethereum-based L2 network Kiwachain, while Hashed is advancing Maru, an L1 focused on won stablecoins. Still, Toss enters the field with a much larger built-in user base and a profitable business platform. The company has not announced a launch date or technical specifications for the network, and the next steps will depend on both regulatory clarity and its final internal choice between an L1 and L2 model.