Solana Mobile note sealing

Slot Seal

Seal the moment, keep the note private. Draft a local note, hash it, bind it to live Solana slot and blockhash facts, and optionally sign the seal message with Mobile Wallet Adapter.

View workflow Privacy model
Slot Seal visual

What the Android app does

01

Compose

Draft a private local note that stays on the device.

02

Stamp

Fetch a public Solana slot and latest blockhash from the backend.

03

Seal

Create a SHA-256 note hash and a wallet-signable seal message.

04

Sign

Open Mobile Wallet Adapter to sign the message. No transaction is sent.

Slot Seal banner

Local proof, not legal notarization

Slot Seal does not write notes on-chain, upload note text, custody assets, or provide legal notarization. It creates a local hash-based proof workflow around public Solana network facts.