Let’s see how much efforts and necessary steps required to build a sybil wallet during testnet:
In the conclusion, we will find the answer:
During that time, it was very difficult to get enough testnet ETH to participate in the Linea testnet activities. Many people struggled to find free testnet ETH on platforms like Infura, Alchemy, and other faucets. We had to resort to buying testnet ETH from LayerZero’s testnet bridge.
Even if a malicious actor managed to acquire enough testnet ETH, it would be highly unlikely for them to successfully claim Alpha, Beta, and Gamma edition NFTs. These events were extremely competitive, and completing all the tasks required for these NFTs was very time-consuming.
While it’s possible for someone to manage a large number of wallets, it’s not easy, and we can implement measures to reduce the risk of sybil attacks. Although we can’t eliminate this risk entirely, we can certainly minimize it.
Mostly, sybils has very less testnet activity, got Omega, Delta and some wallets got gamma edition NFT by actually completion of Galaxy tasks. But has less liquidity to distribute and perform tasks for every single wallets during testnet.
Do you think 100s of wallet can perform testnet tasks in that situation, who have done that time knows better how hectic those days were, transactions failed, gas fees even needed 1+ eth, most of the time high traffic load.
Sybils mostly bought Nfts from secondary marketplace and pro-actively involved after Dencun upgrade. Also, check how actively any wallet involved during testnet compare to mainnet. Also, check If they there any Eth mainnet activity and when wallet created. Duration of holding liquidity before dencun and after Dencun. Has Gitcoin score 20+, Current Total LXP - LXP acquired from Purchased NFT + LXP acquired after Dencun upgrade.
As seen before, mostly team checks how community participated and contributed in their ecosystem through onchain activity and providing LP without try to cheat system.
2000 LXP or even 1200-1500 LXP can be minimum with some mandatory condition have to full filled like activity count : transactions, gas fees spent, official bridge used with minimum threshold and minimum testnet activity to be eligible, etc.
More Points can be added. @bigironchris