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SUMMARY: In this tutorial, Travis demonstrates how to turn an old Android phone into a fully air-gapped cold storage device using Polkadot Vault, enabling secure storage, transfers, and staking of TAO on the Bittensor network. By signing transactions offline and transmitting them via QR codes through polkadot.js, users can stake, unstake, and manage funds without ever exposing private keys to the internet. He also covers root claim settings, metadata syncing during upgrades, and advanced security considerations for long-term cold storage.
By: TAO Templar
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