Questions tagged [spam]

Questions about transaction spam, related to but not limited to unsigned transactions where there is no economic deterrent to prevent spam, or signed transactions where the economic deterrent of having to pay a transaction fee may be circumvented in order to spam the blockchain network.

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Rate-limiting to prevent extrinsic spamming

Is there any rate-limiting defense system in Substrate, that would prevent an attacker with sufficient funds to spam extrinsics on a given parachain ? Is there any maximum amount of extrinsics per ...
clst's user avatar
  • 21
2 votes
1 answer

How to reduce spam risk if tx fees are paid with exotic assets instead of native tokens and tx fee overpayment refunds are in native tokens?

This pull request appears to expose arbitrage and spam opportunities, as it proposes to modify the Substrate frame DEX pallet to allow users to use an exotic asset for transaction fees instead of the ...
Luke Schoen's user avatar
  • 2,312