SUMaillet

by SUM INNOVATION INC · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Secure, self-custodial browser extension for SUM Chain. Manage your identity, sign transactions, and authenticate with dApps.

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#251K

#210K among extensions

Version

1.1.0

updated 23 Jul 2026

Users

monthly, 6 months

Latest, 16 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About SUMaillet

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