> For the complete documentation index, see [llms.txt](https://docs.tachyo.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tachyo.ai/getting-started/signing-in.md).

# Signing in

Tachyo has no passwords and no email. Your Telegram account is your identity, and a short-lived code is how you prove it.

## How to sign in

1. Open [**@barryauthbot**](https://t.me/barryauthbot) in Telegram and send **`/code`**.
2. The bot replies with an 8-character code.
3. Go to [tachyo.ai/dapp/login](https://tachyo.ai/dapp/login) and paste it.

That is the whole flow. The session then persists in your browser, so you do this once per device, not once per visit.

{% hint style="warning" %}
**The code expires in 60 seconds.** It is a one-time key to a session, so it is deliberately short-lived. If it stops working, send `/code` again. Nothing is broken and there is no cooldown.
{% endhint %}

## Who the bot will issue a code to

The check happens when the code is issued, not later, so a rejection tells you what it is straight away. You get a code if **either** is true:

* you are a member of Barry's Intergarden community, or
* you have bought Tachyo Access.

If neither holds, the bot says so instead of handing you a code that would fail on the login page. If you bought Access from outside the community, you do not need to join anything: the purchase is enough.

{% hint style="info" %}
Leaving the community while your Access is active does not lock you out: a paid subscription stands on its own.
{% endhint %}

## Signing in on a second device

Repeat the same three steps. Sessions are per browser, and there is no device limit: the identity is the Telegram account, not the machine.

## When something goes wrong

| What you see                    | What it means                                                                                                                               |
| ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| "invalid or expired"            | The 60-second window closed. Send `/code` again.                                                                                            |
| The bot will not issue a code   | Neither membership nor an active subscription was found for your Telegram account. If you just paid, give the chain a minute and try again. |
| You land back on the login page | The session expired or was signed out. Sign in again with a fresh code.                                                                     |
| Nothing arrives from the bot    | Check that the message went to **@barryauthbot** and not another bot, and that the chat is not archived or muted.                           |

Still stuck? See [Getting help](/support/help.md).


---

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