Cosmos · ATOM
A Cosmos wallet whose key is on another device
Cosmos Hub, Osmosis, Injective, THORChain, Stride and Juno, in a Chrome and Brave extension that connects to Cosmos apps the way Keplr does - while the key that signs stays on a phone or laptop with no network at all. The transaction travels as a QR code, and comes back signed.
Six chains, one key
Cosmos Hub, Osmosis, Injective, THORChain, Stride and Juno. Every address is derived from the same recovery phrase you already have, on the chain’s own derivation path and with its own prefix - cosmos1, osmo1, inj1, thor1, stride1, juno1.
The offline device re-reads the SignDoc
The extension does not tell the Vault what it is signing: it hands over the bytes. The Vault decodes the protobuf SignDoc itself, names the messages it recognises, shows the memo in full, and refuses what it cannot read. A compromised browser cannot describe a transaction into something else.
Cosmos apps connect as usual
The extension answers the Keplr API that Cosmos apps expect, so Osmosis, Stride, DAO DAO, Injective Helix and THORSwap see an ordinary wallet. Measured against the real sites, not against a mock.
An authz grant is shown in red
MsgGrant hands another account the right to spend yours. It is a normal-looking message in a list of messages, and it is the one thing on this chain that quietly gives away control - so the review screen makes it red and asks for an explicit acknowledgement, while MsgRevoke never is.
Cosmos wallet: questions people ask
Which Cosmos chains does the Locker Protocol Wallet support?
Cosmos Hub (ATOM), Osmosis (OSMO), Injective (INJ), THORChain (RUNE), Stride (STRD) and Juno (JUNO). All six come from the same recovery phrase, and each carries the address prefix of its own chain.
Is the private key ever on my computer?
No. The key lives on a second device that has no network connection - the Locker Vault, a free application you install on a spare phone, tablet or laptop. The extension holds public keys and addresses only. A transaction is shown as a QR code, the Vault scans it, you approve it there, and it shows the signature back as another QR code.
Can I use Osmosis or Injective with it?
Yes. The extension announces the same API Cosmos apps already use, so they list it among the wallets they offer. Signing then goes through the offline device instead of a browser prompt.
Does it stake or delegate?
The wallet signs what an app sends it, and the Vault reviews it. Staking screens are not built into the extension itself: you use them on the app you already use, and approve the transaction on your offline device.
