Product record · Leather
Leather Browser Extension
Current Leather browser-extension wallet, continuing the extension lineage formerly branded Hiro Wallet.
- Launch
- 2021-08-10
- Sales
- not_applicable
- Support
- supported
- Variants
- —
- Confidence
- high
- Last verified
- 2026-08-17
Material concerns
Custody and recovery assumptions
Active support, evidence verification, or product type is not a safety endorsement. Missing custody or recovery metadata is shown as unknown rather than inferred as self-custody.
- Custody model
- self_custody
- Key-management model
- browser_local_software_keys
- Independent recovery
- Unknown / requires evidence review
Lifecycle
Product timeline
Hiro Wallet browser extension became available in Chrome and Firefox stores
Product: Leather Browser Extension
Hiro announced general store availability of its wallet browser extension on 2021-08-10 for Chrome and Firefox. This browser-extension lineage was later acquired and rebranded to Leather in 2023.
Browser-extension cached secret-key vulnerability reported
Product: Leather Browser Extension
Leather's security history records a browser-extension issue where browser textarea caching could leave a private key or mnemonic in local storage under certain conditions, creating exposure if another party gained access to the computer.
Leather Wallet LLC acquired Hiro Wallet assets
Leather Wallet LLC, a Trust Machines subsidiary, announced that it had acquired the wallet assets from Hiro Systems PBC while preserving the wallet lineage.
Hiro Wallet rebranded to Leather
The existing Hiro Wallet desktop and browser-extension lineage was rebranded to Leather as the wallet became an independent brand under Leather Wallet LLC.
Sources