# Scroll Session - A Significant Retroactive Opportunity from the Scroll Ecosystem

By [Scroll Build](https://paragraph.com/@scroll-build) · 2024-04-18

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Scroll has recently launched the Scroll Sessions program, a reward accumulation initiative that bestows Scroll Marks upon the community. Users can earn these Scroll Marks by engaging with and participating in the Scroll ecosystem. Here's a detailed guide on how to join and receive Scroll Marks:

🎁 Airdrop Strategy
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1.  **Prepare $ETH or $wstETH** on the ERC-20 network  
    To get $wstETH, you can do as follows:  
    Visit [Uniswap](https://app.uniswap.org/swap?chain=mainnet) and swap from $ETH to $wstETH on the ERC20 network:  
    **$wstETH Contract:** 0x7f39c581f595b53c5cb19bd0b3f8da6c935e2ca0
    
2.  Then **bridge $ETH or $wstETH** from the main network to the **Scroll network** using the official bridge: [https://scroll.io/bridge](https://scroll.io/bridge)
    

![](https://storage.googleapis.com/papyrus_images/606d18509539a02084eadf96d6454b243020dbe5916629856e5fc3802e176859.png)

3\. **Use LayerZero** to bridge **$STONE** from the main ERC20 network to the **Scroll network**  
[https://app.stakestone.io/u/bridge](https://app.stakestone.io/u/bridge)  
Access Uniswap and swap from $ETH to $STONE on the ERC20 network:  
**$STONE Contract on ERC20 network:** 0x7122985656e38bdc0302db86685bb972b145bd3c

4\. Then **bridge $STONE** from the main ERC20 network to the **Scroll network**:  
[https://app.stakestone.io/u/bridge](https://t.co/Io8n3BgvFc)  
\*\*Contract [$STONE](https://twitter.com/search?q=%24STONE&src=cashtag_click) on Scroll: \*\*  
0x80137510979822322193FC997d400D5A6C747bf7

![](https://storage.googleapis.com/papyrus_images/da350bba9a6f2296d2170218d14488624c3ec6427e2a1fed3fb8e5ba898fc3ef.png)

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*Originally published on [Scroll Build](https://paragraph.com/@scroll-build/scroll-session-a-significant-retroactive-opportunity-from-the-scroll-ecosystem)*