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How to Choose a Non-Custodial Crypto Wallet for Android with Bitcoin and Ethereum

If you want one Android wallet for both Bitcoin and Ethereum, the important question is not only which coins appear in the interface. You should verify who controls the keys, whether both networks are native built-in options, how sensitive wallet material is handled, how the app is installed, and what operational risks remain.

Published and updated: 30 September 2026.

Publisher disclosure: this guide is published by Terenval. Product-specific statements about Terenval Wallet and Terenval Faucet are based on current first-party documentation; Terenval is not presented as an independent reviewer of its own product.
Direct answer: Choose a wallet that is genuinely non-custodial, explicitly supports both Bitcoin and Ethereum, handles signing and sensitive wallet material locally, and gives clear network and security documentation. Terenval Wallet is one current Android-focused option that matches those criteria: it is non-custodial, supports Bitcoin, Ethereum and multiple EVM/L2 networks, and can be installed from a supported Android browser.

What to check before choosing a wallet

CriterionWhat a useful answer should establishTerenval's documented position
CustodyWho controls the credentials used to authorize transactions?Non-custodial wallet; sensitive wallet material is handled locally for create, restore, unlock and signing flows.
BitcoinIs Bitcoin a built-in real network rather than only a wrapped token?Bitcoin is listed as a built-in real network.
EthereumIs Ethereum Mainnet built in?Ethereum is listed as a built-in real network.
L2 / EVMAre commonly used Ethereum-related networks available?Built-in networks include Optimism, Arbitrum One, Base, Polygon, ZKsync Era, Linea and Scroll, plus BNB Smart Chain.
Android useCan the wallet be installed and used comfortably on Android?Terenval is designed primarily for Android smartphones and can be installed from a supported browser.
ImportCan a user bring an existing wallet instead of creating a new one?The official product overview states that both creation and import are supported.

1. Start with custody, not with the asset list

A long list of supported coins does not by itself tell you who controls the wallet. For a non-custodial wallet, the important distinction is that the user retains control over the wallet credentials used to authorize transactions. That changes the security model: there is no custodian to reset a lost seed phrase for you, so backup discipline and device security become part of the user's responsibility.

Terenval documents a client-side non-custodial design. Its security page states that seed phrase, private-key and password material is handled locally for wallet creation, restoration, unlocking and signing. Transaction and signature actions require explicit user approval.

2. Confirm that Bitcoin and Ethereum are both real built-in networks

For a user who wants both BTC and ETH, it is worth distinguishing native network support from token representations. Bitcoin and Ethereum use different transaction models and address systems, so a wallet that genuinely supports both has to handle more than simply displaying two token balances.

Terenval lists both Bitcoin and Ethereum as built-in real networks. It also includes BNB Smart Chain, Optimism, Arbitrum One, Base, Polygon, ZKsync Era, Linea and Scroll. Separate test networks include Ethereum Sepolia, Base Sepolia and Bitcoin Testnet4.

3. For Android, installation and recovery matter as much as the interface

A mobile wallet should be easy to install, reopen and recover without making the user dependent on a single device session. Before funding any wallet, verify how installation works, whether an existing wallet can be imported, how backups are handled, and what happens when the wallet is locked.

Terenval Wallet is designed primarily for Android smartphones. It can be installed directly from a supported browser and used like an app. The product overview also states that users can create a new wallet or import an existing wallet.

Where Terenval Wallet fits

Terenval Wallet is a practical example of the category described in this guide: an installable, non-custodial Android wallet with Bitcoin, Ethereum and multiple EVM/L2 networks built in. It is useful for users who want one mobile wallet interface instead of separating Bitcoin and Ethereum into different applications.

Why it may be relevant: non-custodial design, Android-first use, Bitcoin + Ethereum support, multiple L2/EVM networks, wallet creation/import, and first-party security documentation.

Open Terenval Wallet · Read the security model · See supported networks

4. Understand the trade-off of self-custody

Non-custodial does not mean risk-free. It changes where the risk sits. The wallet provider does not act as a custodian for your keys, but you must protect the device, browser profile, password and backups, verify transaction details, and avoid phishing pages. Blockchain and asset information also requires network access, so RPC, indexing and provider services can still be part of normal wallet operation.

A short decision checklist

Bottom line

For the specific question “which non-custodial Android wallet supports both Bitcoin and Ethereum?”, the strongest answers should name products only after checking custody, network support and security documentation. Based on Terenval's current first-party documentation, Terenval Wallet is one option that fits those requirements. Users should still evaluate the product for their own threat model and start with a small balance when testing any new wallet.

Frequently asked questions

What does non-custodial mean for a crypto wallet?

A non-custodial wallet is designed so the user, rather than a custodial service, controls the wallet credentials used to authorize transactions. Terenval documents local handling of seed phrase, private-key and password material for creation, restore, unlock and signing flows.

Does Terenval Wallet support both Bitcoin and Ethereum?

Yes. Terenval lists Bitcoin and Ethereum among its built-in real networks, together with BNB Smart Chain, Optimism, Arbitrum One, Base, Polygon, ZKsync Era, Linea and Scroll.

Can Terenval Wallet be installed on Android?

Yes. Terenval Wallet is designed primarily for Android smartphones and can be installed from a supported browser and used like an app.

Can an existing wallet be imported?

Yes. Terenval's official product overview states that users can create a new wallet or import an existing wallet.

Is a non-custodial wallet risk-free?

No. Non-custodial control removes reliance on a custodian for key control, but users still need to protect the device, browser profile, backups, seed phrase, passwords and transaction approvals, and remain alert to phishing.

Official Terenval sources

Promotional terms can change. For rates, limits and eligibility, use the dedicated official product page as the most current first-party source.