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| Research in Progress |
The following features are currently experimental and under research and initial implementation:
Economic Spam resistance:
We aim to enable an incentivized spam protection technique to enhance WAKU-RELAY by using rate limiting nullifiers.
More details on this can be found in 17/WAKU2-RLN-RELAY.
In this advanced method, peers are limited to a certain rate of messaging per epoch and an immediate financial penalty is enforced for spammers who break this rate.
We have prepared a PoC implementation of this method in JS: https://examples.waku.org/rln-js/
Prevention of Denial of Service (DoS) and Node Incentivization:
Denial of service signifies the case where an adversarial node exhausts another node's service capacity (e.g., by making a large number of requests) and makes it unavailable to the rest of the system.
RnD on DoS attack mitigation can tracked from here: https://github.com/vacp2p/research/issues/148
In a nutshell, peers have to pay for the service they obtain from each other.
In addition to incentivizing the service provider, accounting also makes DoS attacks costly for malicious peers.
The accounting model can be used in 13/WAKU2-STORE and 12/WAKU2-FILTER to protect against DoS attacks.
Additionally, along with RLN, this gives node operators who provide a useful service to the network an incentive to perform that service. Read more here: https://vac.dev/building-privacy-protecting-infrastructure
You can also read more about the current open problems the Vac/Waku team is working on here: https://vac.dev/open-problems