I just received questions from some of you about what retroactive is and why it has become extremely hot in the crypto community recently. Today, I will share what I know about this mechanism.

So, what is retroactive? It is a way for projects to reward tokens to early participants based on their actual contribution history beforehand. Unlike regular airdrops that only distribute tokens at a fixed point in time to current holders, retroactive airdrops prioritize users who have actively built or supported the project from the early days.

I notice this trend is becoming more and more popular. Early users have the chance to receive quite large rewards, including batches of tokens with high value. Many investors are attracted by the possibility of being rewarded for supporting the project during its launch phase or interacting with decentralized platforms.

There is a clear difference between retroactive airdrops and traditional airdrops. Regular airdrops are often used by new projects as a marketing tool to increase awareness and attract community members. You perform simple tasks like joining groups, following social media to receive free tokens. Meanwhile, retroactive airdrops focus on rewarding tokens to those who actively participated or contributed during the early stages. Actions such as using tokens, holding tokens, participating in governance, or testing protocols are all considered. Uniswap and Ethereum Name Service are typical examples that have distributed tokens to their early community members.

The mechanism of retroactive airdrops is quite straightforward. First, the project analyzes blockchain data to identify accounts that meet the criteria—meaning those who interacted with or held tokens within a certain period. Then, based on their previous activity level, the project allocates a corresponding amount of tokens to each user. Finally, eligible recipients are notified via email or social media, along with instructions to connect their wallets and steps to claim the airdrop.

Below are some prominent projects that have implemented or plan to implement retroactive airdrops. zkSync is a Layer-2 solution for Ethereum, expected to distribute tokens to early users. Interacting with the zkSync network, bridging assets, and using dApps will increase the chances of receiving an airdrop. StarkNet, another Layer-2 using zero-knowledge rollups, offers retrodrop for those participating in dApps or providing liquidity. Layer Zero is a cross-chain protocol platform, expected to reward tokens to users who have used bridge services. Optimism launched a Retroactive Airdrop in May 2022, rewarding OP tokens to those bridging assets, participating in governance, or contributing to the community.

Retrodrop farming is the process where you actively use and interact with crypto projects to increase your chances of receiving future retroactive airdrops. You can provide liquidity, participate in governance, test platforms, with the expectation of being rewarded with tokens when the project releases a retrodrop. Unlike yield farming focused on immediate profits, retrodrop farming is a long-term investment, sometimes offering higher-value rewards.

However, I need to warn about some risks. Tactics like creating multiple accounts—(Sybil attack)—to exploit tokens can cause you to be excluded from the token recipient list. Scams and phishing are also threats when claiming airdrops—bad actors may exploit airdrop events to steal private keys. You must verify the source of the airdrop carefully and never share your private keys.

To optimize your chances of receiving retrodrops, I suggest some strategies. First, diversify your activities by participating in multiple projects across different fields such as DeFi, governance, NFTs. Second, engage in governance by voting or staking tokens on platforms with incentivization mechanisms. Third, hold tokens long-term to demonstrate loyalty and confidence in the project’s development.

Regarding earning money from retroactive airdrops, I see it has real potential. Choosing projects with active development and strong communities will increase your chances of receiving high-value tokens. Regularly using platforms through trading, providing liquidity, staking tokens on decentralized platforms also shows active participation. Using tools to track airdrops and monitoring social channels will help you quickly learn about new token reward opportunities.

Finally, I want to emphasize that to succeed with retrodrop farming, you need to carefully consider the balance between risk, effort, and rewards. The optimal strategy involves maintaining long-term engagement with promising projects, actively participating in governance, providing liquidity, and frequently using dApps. While the profit potential is high, consistent interaction requires long-term commitment and detailed cost calculations.