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What is a self-custody wallet?

Learn what a self-custody wallet is and how Sling Money gives you full control of your funds

Updated over 2 weeks ago

Sling Money is a self-custody wallet, which means you are in full control of your money.

Think of it like holding cash in your pocket: only you can access it, and no one else can move, freeze, or use it. In a regular bank account, the bank holds your money for you. They can control, freeze, or lend out your funds.


With Sling Money, it’s completely different; only you control your wallet. Avian Labs, the company behind Sling Money, has no access to your money or private keys. Your wallet belongs entirely to you.


How it works

When you set up Sling Money, a cryptographic key is securely created on your device.
This key is:

  • Encrypted using your device’s secure enclave

  • Protected by biometrics, such as your fingerprint or Face ID

You use this key whenever you send or receive money, and your device’s own security features protect it.

✏️ Example

If you have $100 in your Sling Wallet, you’ll need to unlock your wallet with your fingerprint or Face ID to access it. Even if something happens to the Sling Money app, your money remains safe and accessible only to you.

Backing up your key

To ensure you don’t lose access to your wallet, your private key is securely backed up by Evervault, a trusted third-party service. The backup is fully encrypted, so even if you lose your phone, you can recover your wallet safely using the Evervault backup.


Moving your wallet to another provider

A key advantage of self-custody wallets is portability.
You can export your key from Sling Money and import it into another compatible wallet app, such as Phantom Wallet.

This means your wallet and your money always stay under your control, no matter where you go.

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