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Crypto Airdrop: What are Anti-sybil Rules?

Discover how crypto projects are fighting against the rise of Sybil attacks in crypto airdrops. Explore the mechanisms to hinder these unethical practices and ensure fair reward distribution. Learn the eligibility criteria to solve the “sybil hunter” problem and gain useful tips for succeeding in crypto airdrop hunting without appearing as a Sybil.

Airdrop marketing strategies for crypto-themed projects are on the rise, attracting both genuine enthusiasts and individuals seeking to exploit the system through Sybil techniques. Sybils, unethical actors, create multiple accounts to snatch numerous rewards from these events, posing a significant challenge to fair airdrop deployments.

Sybil attacks refer to individuals or groups attempting to obtain multiple airdrops by performing transactions from dozens of wallets. With Sybil managing 100 accounts, the potential rewards can easily reach staggering amounts, undermining the intended fairness of airdrops.

Recognizing the negative impact of Sybil attacks, crypto projects have taken action to prevent these scenarios. The presence of a large number of Sybils lowers the average reward for genuine contributors, eroding trust within the community.

Last year’s Aptos airdrop shed light on this issue, as an overwhelming number of Sybil addresses flooded the ecosystem. This led to a significant loss of trust and reputation for the project, damaging its standing within the crypto community.

Despite their detrimental effects, sybils inadvertently elevate metrics such as active addresses, transactions, and trading fees. These inflated numbers aid the growth of new decentralized networks or protocols in their early stages.

To combat sybil attacks, crypto projects have implemented anti-sybil techniques. The Arbitrum Foundation, for example, established rules to determine eligibility for their ARB token airdrop. These rules exclude addresses with limited operations within a specific time frame, minimal ETH balances, and those identified as Sybil addresses in the Hop Protocol airdrop.

Additional strategies involve identifying addresses funded by the same source, performing similar transactions, or transferring assets within a cluster exceeding 20 addresses. However, despite these efforts, detecting Sybil users remains challenging for blockchain infrastructures.

While some propose implementing verification systems via KYC to eradicate sybil attacks, this approach raises concerns about centralization and compromising user privacy. The future integration of iris-scanning recognition platforms like Worldcoin may offer a compromise between efficiency and privacy.

For aspiring airdrop hunters, avoiding appearing as a Sybil is crucial. Tips include maintaining a $50-100 balance in each wallet, utilizing centralized exchanges for asset movement, and conducting different transactions between wallets to avoid replication.

By following these guidelines and leveraging the strategies shared in previous articles, airdrop hunters can profit from upcoming airdrops from platforms such as zkSync, LayerZero, and Starknet, with potential earnings reaching around $10,000 or more.

Sybil attacks continue to pose challenges to fair airdrop deployments in the crypto world. However, crypto projects are actively implementing mechanisms to combat these unethical practices. By adhering to the eligibility criteria and employing useful tips, individuals can participate in airdrops without compromising their integrity or being mistaken for sybils.


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