The PTERI Wallet app is your identity device — it holds your private key and signs the challenges PTERI sends when you sign in or approve a sensitive action. It's the same mechanism described in how authentication works . What it's used for Approving sign-in challenges with a biometric-gated signature Approving payment intents and other sensitive actions (see how authorization works ) Holding your PTERI identity key, independent of any single device or backup you haven't yet made Because your key never leaves the device, losing the device means losing access unless you've backed up your recovery phrase — see recovering account access before you need it.

The PTERI Wallet app

Your identity device — used to approve sign-ins and sensitive actions, not just hold funds.

Updated September 14, 2026 · 1 min read

The PTERI Wallet app is your identity device — it holds your private key and signs the challenges PTERI sends when you sign in or approve a sensitive action. It's the same mechanism described in how authentication works.

What it's used for

Approving sign-in challenges with a biometric-gated signature
Approving payment intents and other sensitive actions (see how authorization works)
Holding your PTERI identity key, independent of any single device or backup you haven't yet made

Because your key never leaves the device, losing the device means losing access unless you've backed up your recovery phrase — see recovering account access before you need it.

Was this article helpful?

Still stuck?

Ask Kai about this article, or open a ticket with our team.

Submit a ticket