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NicoJun 27, 2026 • 8 min read
What Is Inside a Keylight Lease: The Ed25519 Format Explained
A Keylight lease is a signed JSON document, not an opaque license string. Here is the field-by-field...
#cryptography#security#licensing#desktop
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NicoJun 27, 2026 • 5 min read
One-Time vs Subscription Licensing: Which to Use?
One-time vs subscription licensing for your app — how each affects revenue, support, and trust, and ...
#saas#licensing#indiedev#programming
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NicoJun 27, 2026 • 5 min read
Offline License Validation in Rust
How offline license validation works in Rust with the keylight crate — verify an Ed25519-signed leas...
#rust#security#desktop#licensing
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NicoJun 27, 2026 • 4 min read
How License Keys Work for Desktop Apps
How modern license keys work for desktop apps — from old checksum keys to cryptographically signed l...
#desktop#licensing#programming#indiedev
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NicoJun 27, 2026 • 5 min read
Licensing a Cross-Platform App from One Control Plane
How to license a cross-platform app from one Keylight tenant — the same signed-lease format across t...
#desktop#programming#licensing#indiedev
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NicoJun 27, 2026 • 4 min read
How to Prevent License Key Sharing
How to prevent license key sharing without punishing legitimate customers — device activation limits...
#desktop#security#indiedev#licensing
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NicoJun 27, 2026 • 9 min read
Migrate License Keys Without Breaking Existing Customers
Switching your licensing shouldn't break a single customer. Here's how to migrate license keys into ...
#desktop#licensing#indiedev#programming
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