Overview
Secure, self-custodial browser extension for SUM Chain. Manage your identity, sign transactions, and authenticate with dApps.
SUMaillet is a secure, self-custodial browser mailbox built for SUM Chain. It lets you create and manage your blockchain identity, sign transactions, and authenticate with decentralized applications, all directly from your browser. Your private keys are encrypted and stored locally on your device. They are never transmitted to any server. Features: - Create a new wallet with a standard BIP39 mnemonic seed phrase - Import an existing wallet using your recovery phrase - Sign transactions and messages requested by SUM Chain dApps - Seamless in-page authentication via browser integration - Auto-lock after a period of inactivity to protect your wallet - No account registration or personal data collection required - SUMaillet connects only to SUM Chain endpoints to broadcast signed transactions. It does not collect analytics, track browsing activity, or share any data with third parties. Permissions explained: - Storage: Used to save your encrypted wallet data locally - Alarms: Used for the auto-lock timer to secure your wallet when idle
Details
- Version1.0.0
- UpdatedApril 5, 2026
- Size1.05MiB
- LanguagesEnglish
- DeveloperSUM INNOVATION INC
6 Winterhaven Dr #14 Newark, DE 19702-2479 USEmail
michaelmansour2004@gmail.comPhone
+1 213-808-2603 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
- D-U-N-S144887596
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
