- Sony-backed L2 Soneium teams up with Plume Network to bring real-world asset (RWA) yield onchain via SkyLink.
- Users can now access tokenized U.S. Treasuries and private credit natively in Soneium’s ecosystem.
Plume, a full-stack RWA chain, has partnered with Soneium, an Ethereum Layer-2 developed by Sony Block Solutions Labs, to unlock new yield-generating opportunities for millions of users through SkyLink, Plume’s cross-chain interoperability layer.
Plume, which bills itself as the first blockchain ecosystem purpose-built for RWAfi, offers an end-to-end tokenization stack and a growing network of over 180 projects building on its infrastructure. Its core offering—SkyLink—enables secure, composable value flow across chains, effectively bridging tokenized real-world yields into other ecosystems.
By integrating with Soneium, SkyLink will now allow users to access yields from asset-backed products such as tokenized U.S. Treasuries and private credit—a leap forward for consumer-grade exposure to traditional financial instruments in DeFi-native formats.
“We’re excited to partner with Soneium to accelerate previously inaccessible yield opportunities for over 5.1 million users in their ecosystem,” said Chris Yin, CEO of Plume. “The future of RWAfi isn’t just about assets living on a single chain, but enabling real yield to flow seamlessly wherever users are.”
The move aligns with Sony Group Corporation’s growing ambitions in blockchain infrastructure. Sony Block Solutions Labs (SBSL)—a joint initiative between Sony and Startale Group—has developed Soneium as a general-purpose Ethereum-compatible Layer 2, designed to onboard consumers and creators at scale. The network is preparing for a launch of blockchain-powered mini-apps on LINE, one of Asia’s largest messaging apps, and has partnered with Moca Network to develop anime-centric digital identity and gaming applications.
“Access to real-world yield through tokenized assets is a major step in making blockchain services relevant to mainstream financial use cases,” said Ryohei Suzuki, Director of SBSL. “This partnership with Plume unlocks a compelling new layer of value for our users.”
The Plume-Soneium partnership is emblematic of a broader shift in Web3—from speculative crypto-native tokens to yield-bearing instruments rooted in traditional finance. Industry players such as Ondo Finance, Maple, and Superstate are racing to provide similar tokenized exposure to RWAs, but Plume’s full-stack, cross-chain approach positions it uniquely among RWA infrastructure providers.
Soneium’s integration also comes at a time when institutional interest in onchain finance is surging. BlackRock’s digital asset expansion, alongside Fidelity and Franklin Templeton’s experiments with tokenized treasuries, underscores the growing appetite for blockchain-native instruments that reflect real-world financial returns.
Plume’s SkyLink aims to unify these fragmented efforts by creating a cross-chain RWAfi liquidity layer, connecting siloed yield opportunities to broader crypto user bases. The inclusion of Soneium, with its consumer-first orientation and backing from one of Japan’s most powerful tech conglomerates, could prove pivotal in accelerating mainstream adoption.
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