Ika Mainnet Upgrade Enables EdDSA Signatures, Expanding Native Cross-Chain Support to Solana, Zcash, Cardano and More

Zug, Switzerland, December 4th, 2025 – Ika, the fastest parallel MPC (Multi-Party Computation) network, has announced a significant mainnet upgrade that enables EdDSA (Edwards-curve Digital Signature Algorithm) signatures directly from its dWallets. This technological advancement dramatically expands Ika's native cross-chain coverage to include major blockchain ecosystems such as Solana, Zcash, Cardano, Stellar, Near, and other networks where EdDSA is the standard signature scheme.

The upgrade fulfills Ika's core promise of allowing users to natively control accounts and assets across multiple chains without relying on bridges, wrapped assets, custodians, or trusted signers. Omer Sadika, Co-Founder of Ika, emphasized the importance of this development: "EdDSA support is a major expansion of what dWallets can control natively. It brings zero-trust, programmable signing to some of the most important ecosystems in crypto, so developers can orchestrate real cross-chain actions with real native assets, governed by Ika dWallet technology."

Prior to this upgrade, Ika's dWallets provided zero-trust signing and programmable control primarily for Bitcoin and EVM-compatible networks that use ECDSA signatures. With EdDSA now enabled at the dWallet signing layer, developers can build applications that: natively control Solana accounts for cross-chain trading, vaults, and payments; coordinate Zcash-native actions under programmable policies for privacy-preserving cryptocurrency; and manage Cardano, Stellar, and Near accounts with smart contract-governed access control for institutional-grade workflows.

The technical implementation leverages Ika's existing 2PC-MPC cryptographic security model. dWallet signing splits authorization into two components: a user share held locally and a network share operated by Ika's decentralized MPC nodes. Both are required to produce a valid signature, and the full private key is never reconstructed. This zero-trust model now extends to EdDSA-based chains, offering the same benefits of decentralization, sub-second performance, and programmable policy enforcement.

This expansion is significant because it moves beyond traditional cross-chain systems that rely on bridges, message relays, or trusted intermediaries—approaches that introduce custody risks, exploit vulnerabilities, and limit composability. Ika's model requires no asset bridging, instead enabling native signing where transaction authorization is enforced under zero-trust assumptions.

For builders and the ecosystem, the upgrade unlocks new possibilities including universal accounts across ecosystems, cross-chain DeFi with native assets (eliminating wrapped tokens and bridged liquidity), programmable custody with multi-party approvals and spending limits, and truly zero-trust chain abstraction where users maintain cryptographic control.

The EdDSA-enabled signing upgrade is live on Ika mainnet and available for immediate integration by developers through Ika's developer resources.