# How to buy bKai

bKA can be purchased in a round of Contraction status, and you must have KAI assets in your wallet.

{% content-ref url="kai" %}
[kai](https://docs.kaiprotocol.fi/kai-protocol/english/how-to-guides/kai-protocol-service-guide/kai)
{% endcontent-ref %}

## Buy bKai

\*bKAI can be purchased with KAI in Contraction rounds.

1.Connect your wallet on the Kai protocol site and approve the bKAI item.

![](https://2413519899-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXp8J6wMKyBWbW3hYbI%2F-MkugvgNnNjiTMBviiC5%2F-MkuhWtrK2eaU29MfHRu%2Fimage.png?alt=media\&token=f8256c7b-e52e-495c-953e-ae717c9af07f)

2\. When you click the \[Buy bKAI] button on the Kai Protocol site, a purchase pop-up appears.

![](https://2413519899-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXp8J6wMKyBWbW3hYbI%2F-MkugvgNnNjiTMBviiC5%2F-Mkuix1jt1jQuc6vDXpl%2Fimage.png?alt=media\&token=903f0642-d86a-4b9e-b65d-c05a72a29bb4)

3\. Enter the KAI quantity within the buyable bKAI and click the \[Buy] button.

![](https://2413519899-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXp8J6wMKyBWbW3hYbI%2F-MkugvgNnNjiTMBviiC5%2F-MkujFAhr-yuL4f3rzYp%2Fimage.png?alt=media\&token=48295466-0239-485a-a294-1f440b912c33)

3\. When you click the \[Buy] button, the transaction proceeds and you can hold the bKAI token.

## Redeem bKAI

* There is no expiry date for bKAI and bKAI holders can claim in KAI at any time by redeeming them.\
  However, when redemption is requested in a reduced round, a 10% penalty is incurred because KAI is additionally distributed even though it is not at the time of additional supply.

1.Click the \[Redeem] button in the bKAI redemption menu.

![](https://2413519899-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXp8J6wMKyBWbW3hYbI%2F-MkukXe5pzRZlZOjOOp2%2F-MkulT5NPaoO9VOsbpn-%2Fimage.png?alt=media\&token=d3050ccc-ca99-40df-b26f-97e05dcfda85)

2\. Enter the number of bKAI tokens to be redeemed among the redeemable amounts, and click the \[Redeem] button.

![](https://2413519899-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXp8J6wMKyBWbW3hYbI%2F-MkukXe5pzRZlZOjOOp2%2F-MkulbTDW-KmrT8-Ixxy%2Fphoto_2021-10-01%2016.31.40.jpeg?alt=media\&token=7c8586cf-ad05-49fc-9957-03c7a963e4fd)

3\. If you click the \[Redeem] button, the transaction proceeds and KAI tokens are supplied as much as the amount of redeemed tokens.