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This guide covers the 0xio browser extension (v3.0). The desktop and mobile apps share the same ideas (a balance overview, Send, Receive, History and a Privacy hub) with layouts of their own; see Desktop Wallet and Mobile Wallet.

Home

Extension Home with amounts hidden, the network switch, Send and the asset list

Home on All networks, with amounts hidden

  • Wallet picture and name: each wallet has its own picture drawn from its address (the 0xio braces around a composition of circles). The mobile app draws the same picture for the same wallet. Click it to open the wallet list.
  • Network switch: three glyphs choose what Home shows: All networks, Octra or EVM. All networks adds Octra and EVM together in USD.
  • Settings

Balance Card

  • Total balance in USD, over a chart of the day: green when up, red when down, grey when flat. Hover over the chart to read the value at any point.
  • Day’s change in percent. It follows the value you hold, so an empty wallet reads 0.0%.
  • Eye toggle to hide amounts.
  • Tags at the top right of the card, most urgent first. For example Back up (the recovery phrase is not backed up yet), Set up private (the wallet can turn on its private balance) or a private balance on hold. Tap a tag for its sheet.
Balances not read yet show --, never 0. If one network or token read fails, the total shows what is known and notes that some balances are missing.

Actions

Send sits beside a row for Receive, Bridge, Privacy and History, each named on hover. On the EVM view, Privacy stays visible but disabled, since private balances exist on Octra only.

Assets

Each asset shows its logo, name, amount and USD value. On Octra you see OCT, the Encrypted row (your private balance) and Octra tokens; on EVM you see ETH and tokens, each logo with a badge for its network. Tap an asset for its page: the price with a 1D, 7D or 1M chart that shows price and time under the pointer, your balance, actions that keep that token selected, and its recent activity. An imported token can be removed from its page.

Status Bar

A strip along the bottom of the wallet shows:

Screens

History

History lists everything your address did, newest first, Octra and EVM together. It has two pages:
  • Mainnet: Octra mainnet and the EVM mainnets.
  • Testnet: Octra devnet and the EVM testnets. Rows here carry a Testnet tag.
Each page shows how many entries it holds. History opens on the side 0xio is on. A network you added yourself is included while it is active.
History on the Testnet page with Testnet tags on Sepolia transfers

The Testnet page of History

Rows

  • Transfers show what moved, with a sign: received or sent OCT, tokens and NFTs, encrypt, decrypt, private sends and claims, and key updates.
  • Contract calls read as actions: Swap, Approve, Bridge, Mint, Claim and others, or the method in words when there is no common name. The contract is named (known contracts, listed tokens, verified explorer names) or shown as a shortened address. One row lists every asset the call moved. A call that moved nothing shows no 0 amount, and a failed call shows Failed with no sign.
  • Pending transactions show above the list. Cancel works only before a transaction reaches a node; one already sent can be hidden on this device instead.
  • EVM networks with no history source are named at the end of the list: History not available on that network. A network that could not be read says so, with Refresh to try again.

Transaction Details

Tap any row, Octra or EVM, for its details: the amount, status, type, from and to, token, network and fee when known, with Copy hash and View in explorer (each network opens its own explorer). Contract calls also list the method and its arguments by name (for example Recipient, Minimum received or Expires), and an approval at the maximum reads Unlimited.
Details of a contract call with status, type, method, contract, fee, network and View call data

Details of a contract call

View Call Data

For a contract call, View call data opens a page inside the details with:
  • the method and its selector
  • the contract
  • every argument with its type and full value
  • the raw input
Call data page with method, function signature, selector, contract and named arguments

The call data page

Privacy Screen

The Privacy screen moves OCT between your public and private balances:
  • Encrypt: public to private.
  • Decrypt: private to public.
  • Claim: incoming private transfers, each claimed after its own review.
Each operation shows the live network fee before you confirm. See Privacy Operations.

Settings

  • Security: password (change or remove it), passkey unlock, auto-lock after 5, 15, 30 or 60 minutes or never, and Reset wallet under This browser.
  • Backup: the recovery phrase and private key of the open wallet, behind your password. With EVM on, the EVM key is shown too.
  • Connections: connected sites and the address book.
  • Appearance: theme (Dim, Day or Octra) and language (English, Chinese, Japanese, Korean or Indonesian).
  • Networks: Octra and every EVM network of the side you are on. See EVM Networks.
  • Tokens and NFTs: show or hide every token and collection.
  • EVM: turn EVM on or off for the open wallet.
Lock wallet sits at the bottom.

Lock Screen

  • Enter your password, or tap Use passkey if you set one up. The passkey prompt does not open by itself.
  • The wallet locks itself after the auto-lock time you set.
  • While locked, the toolbar icon shows a padlock.

Watch-Only Wallets

Watch-only wallets (added with an address only) show balances and history and can receive funds. They cannot send, sign, bridge or run privacy operations. History marks them Watch-only.

Notices

Short messages appear as one pill above the status bar and fade on their own: information after 4 seconds, errors and warnings after 6. Hover to keep one on screen. Copy buttons say Copied in place.