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Every wallet is self-custodial with no seed phrase. You hold the wallet, WalletSuite holds a co-signing share, and both are needed to sign. This page explains what a share and a threshold are. For where to store the wallet and how recovery works, see Recovery.

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What a share is

A share is one half of the wallet’s signing key. createWallet returns your half as an opaque blob under a single keyId, and WalletSuite holds the other half server-side. Neither side ever holds the full key, and the full key is never assembled to sign. The SDK does not persist your half. You pass the wallet back on every deriveAddress and sign* call, so store it in durable storage you control. See Recovery for storage patterns.

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Thresholds

A threshold is how many shares must cooperate to sign. Every wallet is 2-of-2: two shares exist and both are required. WalletSuite cannot sign on its own, and neither can you. That is what keeps the wallet self-custodial, with no single party able to move funds. Custom thresholds and an opt-in recovery mode for extra redundancy are on the roadmap. See Recovery.

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Next steps

Recovery

Where to store the wallet, backup patterns, and the roadmapped recovery mode.

Signing

Sign transactions across 84 chains with the wallet you hold.