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Sybil resistance framework - contract based |
{% hint style="info" %} The Sybil attack in computer security is an attack wherein a reputation system is subverted by creating multiple identities {% endhint %}
Although for direct donations that do not have tax benefits, there is minimal impact if someone is using unique accounts for donations. However, when it comes to democratic voting / funding systems like quadratic funding, we need to make sure that the system is not being gamed and that our subsequent funding contracts are checking for definitions of humans.
To solve this Nada.bot has emerged allowing for other sybil providers and contracts to develop "checks" or "stamps" if you are familiar with Gitcoin Passport's model.
{% embed url="https://github.com/PotLock/core/tree/main/contracts/sybil" %}
{% hint style="info" %} Up to date docs are on https://docs.nada.bot {% endhint %}
This is_human check on nadabot.near is used by default in Pot deployments. While a deployer can specify their own configuration for different checks with their own weights and human threshold.
{% hint style="info" %} See PotDeployer to see how to configure your human check {% endhint %}