APIBTC Schnorr Signer

Name: APIBTC Schnorr Signer
Author: The Hyperlabs

Securely sign BIP-39 tokens (Schnorr signatures) for APIBTC.

As of May 2026, APIBTC Schnorr Signer has 1 users in the Productivity category.

The Hyperlabs Productivity

Chrome Web Store ↗.crx

Users0%

Rating0%

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— reviews

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Version

1.0

Manifest V3

History

2 snapshots

Tracking since Apr 21, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 21, 2026	1	—	—	1.0
May 6, 2026	1	—	—	1.0
Now	1	—	—	1.0

Permissions & access

Permissions: storage
Host access: None declared

Screenshots

About

APIBTC Schnorr Signer securely stores your APIBTC private key using Chrome's secure local storage and provides safe, sandboxed Schnorr signature functionality to websites integrated with APIBTC.org.

With this extension, your private key remains protected and never leaves your browser. It enables websites supporting the APIBTC.org standard to request cryptographic Schnorr signatures securely, ensuring you maintain complete control over your key.

Key Features:

🔐 Secure Private Key Storage: Safely store your Bitcoin private key directly in Chrome's encrypted local storage—never shared with external sites.

✍️ Sandboxed Signing: Exposes only a sandboxed Schnorr-signature API to supported webpages, protecting your key from unauthorized access.

🔑 PIN Protection: Adds an extra layer of security by requiring a user-defined PIN before allowing access to signing functions.

Why Install APIBTC Schnorr Signer?
1) Enhanced Security: Protect your APIBTC private key from accidental exposure or theft by isolating signing operations securely within your browser.
2) Convenience: Seamlessly interact with Bitcoin-enabled sites using APIBTC.org standards, without the hassle or risk of manually managing your keys.
3) Privacy First: Your private keys remain securely on your device at all times.