Clear DefinitionsPush Notifications (Wallet Notifications)
1 min read
Pronunciation
[push noh-tih-fuh-kay-shuhns waw-let noh-tih-fuh-kay-shuhns]
Analogy
Like getting a text message when your bank balance changes or a payment clears.
Definition
Real-time alerts sent to users’ wallets or devices to inform them of transaction events, price movements, or security issues.
Key Points Intro
Push notifications enhance user engagement by providing timely blockchain event updates.
Key Points
Opt-in: users must allow notifications
Customizable: alerts for specific events or thresholds
Real-time: immediate delivery upon event detection
Privacy: sensitive data should be minimized
Example
MetaMask sends a notification when a pending transaction is confirmed on-chain.
Technical Deep Dive
Wallets integrate with push services (e.g., Firebase, MQTT). Backend indexers listen for on-chain events via WebSocket or RPC, then trigger push messages through SDKs or webhooks. End-to-end encryption and message signing ensure authenticity.
Security Warning
Spoofed notifications can be used in phishing attacks; always verify source and content.
Caveat
Excessive notifications may cause alert fatigue, reducing effectiveness.
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