> For the complete documentation index, see [llms.txt](https://impossible.gitbook.io/impossible-finance-faq/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://impossible.gitbook.io/impossible-finance-faq/launchpad/launchpad-overview/launchpad-contract-v4.md).

# Launchpad Contract V4

Learn more about the the functioning bones of our IDOs

With Launchpad V4, we have pushed the boundaries of what is (Im)possible, offering an unparalleled level of control and adaptability to both users & projects alike.

Whether you're a developer, upcoming project, or tech or one of ourse staking users, this powerful tool opens up a world of possibilities of what we can do with our IDOs.

## Launchpad V4

### Cross Chain Allocation

Stake in Chain A, Purchase & Claim in Chain B

### Free Sale

Stake & Claim only (no purchase required)

### Non-Adjustable Claim Delay

The claim delay is no longer editable after purchase ends

### Linear Vesting 

A simple per-second release of tokens, linearly from start time to end time.

<figure><img src="https://frill-prod.s3.us-west-2.amazonaws.com/36532/dafc7736-bec4-48d8-9fb9-7589f1c931cd.png?width=797&#x26;height=476&#x26;quality=90" alt=""><figcaption><p>Linear Vesting Example</p></figcaption></figure>

### Cliff Vesting

Adjustable date, time & amount of tokens to be released over a period of time.

* Supports up to **10 Years** vesting time from the day of purchase ended
* Supports up to **100 Cliff** vesting claims w/ varied % released within each claim

<figure><img src="https://frill-prod.s3.us-west-2.amazonaws.com/36532/23de137c-4979-4f71-bf54-93bb7aa1dfe1.png?width=722&#x26;height=342&#x26;quality=90" alt=""><figcaption></figcaption></figure>

You can now understand how powerful of a tool the Launchpad V4 is, allowing for extreme levels of flexibility while improving the already secure framework of our Launchpad.