iOS Ethereum Wallet with Multisig

I need an Ethereum-only wallet app built for iOS that lets me securely receive, store, and send ETH while giving me full visibility of every transaction and the added safety of multi-signature approvals.

Core requirements
• Secure storage: please rely on Apple’s Keychain plus proven crypto libraries so private keys never leave the device unencrypted.
• Transaction history: a clean, filterable list that pulls data directly from the blockchain (Infura, Alchemy or a comparable node provider is fine).
• Multi-signature support: the user must be able to create or join a multisig wallet, set signing thresholds, and see pending transactions awaiting additional signatures.

A straightforward, native Swift solution is preferred, though I’m open to React Native if you can guarantee the same level of security and performance. Interacting with smart contracts through web3.swift (or equivalent) will be necessary for the multisig logic.

Please deliver the full Xcode project, well-commented source, and a TestFlight build so I can run it on my own device. I’ll consider the job complete once I can:
1. Create/import a wallet,
2. Send and receive ETH, see the transaction instantly in the history list, and
3. Execute a multisig transaction that requires a second signer.
4. Be able to cash out and send to my bank.

Let me know your proposed approach, libraries, and estimated timeline so we can get started.
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