Feature guide
Coinbase Wallet extension features, explained
What the extension actually gives you: a multi-network portfolio, safe connections to dapps, swaps and bridges, NFT handling, on-ramps — plus a clear look at the things it deliberately leaves alone.
On this page
One portfolio across many networks
The extension's home screen is a portfolio view. Instead of checking five block explorers, you see the tokens and NFTs your chosen address holds, grouped by network, with a rough combined value. Because a wallet is a key rather than an account, "your balance" always means what this key controls on this network — which is why the same tokens can look scattered across chains.
- Switch networks from a picker instead of adding a whole separate wallet.
- Send and receive per network, with the network name visible at the point of sending.
- Hide spam tokens and worthless airdrops so they do not clutter the view.
- See fiat values alongside token amounts, so a long list stays readable.
A wallet is not a bank statement
Balances are only as fresh as the network endpoints the wallet is reading. A stale or rate-limited endpoint makes a balance look wrong even though nothing is lost — see missing or wrong balances.
Networks and assets supported
Self-custody browser wallets are multi-network by design. In practice you should expect Ethereum and the EVM-compatible networks most applications use — Base, Polygon, Arbitrum, Optimism, Avalanche and BNB Chain among them — with Solana and Bitcoin support added over time. Which networks you see can also depend on the version of the extension and the region you are in.
| Family | Examples | Fee token to keep on hand |
|---|---|---|
| Ethereum and rollups | Ethereum, Base, Arbitrum, Optimism | ETH |
| Alternative EVM chains | Polygon, BNB Chain, Avalanche | MATIC/POL, BNB, AVAX |
| Non-EVM chains | Solana, Bitcoin | SOL, BTC |
Because network lists change as ecosystems grow, treat the wallet's own network picker and Coinbase's official documentation as the current answer. Third-party articles — including this one — age.
Network mismatches cause real losses
An asset sent on a network the destination does not support can be difficult or impossible to recover. Before a first transfer, confirm the network on both sides.
Dapp connections: the extension's main job
A dapp is a website backed by smart contracts: a decentralised exchange, a lending market, an NFT marketplace, a game, a bridge. None of them can touch your crypto on their own, so they ask the wallet for access.
Connect
The site asks to see a public address. Approving shares the address only — no funds move and no spending rights are granted.
Sign
The site asks for a signature, either to prove you control the address or to let a contract act later. Read these carefully: some signatures grant permissions.
Send
A full transaction appears with a network, an amount, a fee estimate and a contract recipient. This is where irreversible value moves.
Disconnect
You can cut a site off at any time in the wallet's connected-sites settings, without needing the site's cooperation.
WalletConnect pairing covers the case where the wallet lives on your phone and the dapp on your desktop: the site shows a QR code, the app scans it, and approvals arrive on the phone.
Swaps and bridges
Swapping trades one token for another; bridging moves value from one network to another. Wallets fold both into the same interface, usually by routing your order through one or more third-party providers.
- Before confirming, read the expected output, the price impact, the provider fee and the network fee.
- A very large price impact is a warning, not a bargain — thin liquidity punishes big orders.
- Bridges take time; a cross-chain transfer is not instant, and the receiving side can lag.
- Do not bridge to a network you know nothing about just because the fee looks cheap.
Confirmed transactions are permanent. If a swap executes at a worse price than you hoped, no support desk can reverse it, which is exactly why the confirmation screen deserves your full attention.
NFTs and collectibles
The extension can display collectibles with their artwork, collection and chain, and send them out like any other asset. It also inherits the standard NFT hazards:
- Spam airdrops. Free NFTs appear because a contract wants you to visit a site and sign something. Ignoring them is the safe move.
- Listing-site approvals. Marketplaces ask for broad permissions over your collection; grant them per listing where possible and revoke when done.
- Impostor collections. Verify the contract address of a collection against the marketplace page before buying or selling.
Buying crypto inside the wallet
On-ramp partners let you buy crypto with a card or bank transfer and have it delivered straight to your self-custody address. That is different from buying on an exchange, where the asset sits in the exchange's custody until you withdraw it.
| In-wallet purchase | Exchange purchase | |
|---|---|---|
| Where the crypto lands | Your own wallet, immediately | Your exchange balance |
| Who holds the keys | You | The exchange, until withdrawal |
| Typical extras | Provider fee, wider spread on cards | Trading fee, withdrawal fee |
| Good for | Funding a dapp quickly | Larger purchases and cash-outs |
Availability, limits and identity checks are set by the on-ramp provider in your region, not by the wallet.
Hardware wallets and passkey protection
A self-custody wallet can pair with a hardware device, which keeps the private key on a separate physical unit: transactions are signed on the device, so a compromised computer cannot silently move funds. The extension also supports modern protections such as passkeys and smart-wallet features, which replace a raw private key with a signer that can be recovered, and which may let you choose a more flexible recovery arrangement.
When a hardware wallet is worth it
When the balance is large enough that losing it would change your plans. Keep a small "hot" wallet for everyday dapp use, and move the long-term holding behind hardware.
Accounts and address management
Multiple accounts
Create several accounts inside one wallet — a spending account for risky dapps, a savings account you connect to nothing — and pick which one a site may see.
Address book and named addresses
Save the addresses you use often, so you never retype a long string from memory or from a chat message.
Testnet switching
Test networks let you practise transactions with valueless coins — a sensible way to learn a new tool before using it with real funds.
Activity and notifications
Every transaction the wallet sees is logged with its status, so a pending transfer, a completed swap and a failed attempt are distinguishable at a glance rather than being a silent mystery. Notifications for incoming transfers help you confirm a deposit landed without opening a block explorer.
Wallet versus exchange account
This distinction is worth repeating, because it decides who can help you when something goes wrong.
| Wallet extension | Exchange account | |
|---|---|---|
| Who can move your funds | Only someone holding your keys | The company, following its own rules |
| Forgotten password | Recovery phrase restores everything | Support can usually restore access |
| Fraud or scam | No recovery; a transaction is final | Sometimes reversible, sometimes refunded |
| Dapp access | Direct, from the browser | Not available |
Using both is normal: buy or cash out where custody is convenient, self-custody where control matters more.
What the extension does not do
- It cannot undo a transaction. Signed and confirmed means final, on every network.
- It does not hold your crypto for you. There is no company balance to recover if you lose your keys.
- It is not insurance or advice. No cover, no price protection, no recommendation about what to buy.
- It is not a bank or investment account. Nothing here earns interest by itself, and the value of the assets can fall sharply.
- It does not exist on mobile browsers — use the phone app there.
The one thing to remember
Everything irreversible passes through a prompt you control. Slow down at that prompt and most risks in this guide disappear.
Keep reading
Independent, informational resource
This page is educational content about browser-based self-custody wallets. It is not affiliated with, endorsed by, sponsored by, or operated by Coinbase, and it is not an official download page. Company and product names are the trademarks of their respective owners and are used here only to describe the products being discussed. Always get wallet software from the official source, and never share your recovery phrase with anyone.