Symbiotic launches multi-chain staking coordination with Relay SDK

Symbiotic, an Ethereum-based staking protocol, has launched “Relay,” a middleware SDK designed to enable trustless cross-chain coordination using staked assets. The tool allows any blockchain network to leverage staked capital from other ecosystems for consensus verification, the company said Tuesday.

Relay introduces shared staking logic to support native multichain composability, giving developers plug-and-play infrastructure to build decentralized applications — including oracles, bridges, rollups, and settlement layers — without relying on multisigs or proof-of-authority models.

“Until now, building secure multi-chain infrastructure meant expensive custom work or reliance on centralized relayers,” said Symbiotic co-founder Algys Ievlev. “Relay solves that,” he added.

Relay’s debut comes as multichain development expands across the crypto ecosystem. According to Electric Capital, 34% of developers now build across multiple chains, up from 10% in 2015.

Ievlev noted that Relay can unify core strengths across networks: Bitcoin’s security, Ethereum’s programmability, and Solana’s high throughput. For users, the SDK could provide seamless access to verifiable, multichain dApps regardless of where their stake resides.

Symbiotic said Relay is already being tested by teams developing fast-finality rollups, cross-chain oracles, and decentralized insurance protocols. The platform, live since early 2025 , has secured over $1 billion in assets across 14 networks. Relay will extend access to dozens more chains, the company shared with The Block.

Symbiotic raised a $29 million Series A round led by Pantera Capital with participation from Coinbase Ventures and angels including Aave, Ether.fi, Polygon, and StarkWare.

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Symbiotic launches multi-chain staking coordination with Relay SDK

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