# Understanding cvgSDT

### Locking SDT for veSDT

**`SDT`** can be locked on Stake DAO up to 4 years, in order to boost staking positions and gain voting power. Learn more on the [Stake DAO documentation](https://stakedao.gitbook.io/stakedaohq/governance/vesdt-and-voting-power).

### cvgSDT

**`cvgSDT`** is a liquid tokenized version of locked **`SDT`**. Each **`SDT`** deposited on Convergence is locked forever on the Stake DAO voting escrow contract. **`cvgSDT`** is minted at a 1:1 rate each time a user deposits **`SDT`**.

Converting **`SDT`** to **`cvgSDT`** is irreversible. However, a **`cvgSDT/SDT`** pool exists on Curve. This pool is, and will be maintained by Convergence.

Staking **`cvgSDT`** allows users to claim **`veSDT`** native rewards, **`SDT`**, and **`CVG`** rewards.

{% content-ref url="/pages/gOzsUF58sGy2W0bFOPX0" %}
[cvgSDT staking](/staking/convergence-for-stake-dao/cvgsdt-staking.md)
{% endcontent-ref %}


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