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Comparison
Custodial vs non-custodial wallet: which to build?
Direct answer
Non-custodial wallets give users full key control (MetaMask-style)—lower compliance burden, users responsible for recovery. Custodial wallets hold keys for users (exchange-style)—requires MPC/HSM security, KYC/AML, and heavy liability/compliance but enables recovery and fiat ramps. Exchanges and neo-banks typically need custodial; DeFi and power users expect non-custodial.
Details
Non-custodial builds run $25K–$150K for multi-chain MVPs; custodial/institutional with MPC $300K+. Security and audits are 15–30% of wallet budget either way.
MPC (multi-party computation) is the 2026 standard for institutional custodial wallets—splitting key material so no single device holds a full private key.
Hybrid models (smart/embedded wallets with social recovery) bridge mainstream UX and self-custody—popular for consumer dApps.
Marshall builds MetaMask-class extensions, mobile wallets, and MPC custodial stacks. Scope yours at marshallinfotechs.com/crypto-wallet-development.
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