# tkn.land > tkn.land is a mobile-first self-custody wallet for the PENMT token. It is a progressive web app at https://tkn.land with no tkn.land server. Private keys stay on the phone and are unlocked with the device biometrics. People add and withdraw PENMT through their own Mettal account. They send and request PENMT by sharing a link in a chat app. tkn.land does not hold funds, passwords, private keys, or an activity log. ## Documentation - [What tkn.land is](https://tkn.land/docs/what-is-tkn-land.md): Canonical public description of the product, in English - [Qué es tkn.land](https://tkn.land/docs/que-es-tkn-land.html): Plain-language Spanish explanation for people using the app - [Full text](https://tkn.land/llms-full.txt): The English description in one file, for a single fetch ## Source - [Repository](https://github.com/liberforge/tknland): Application source