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7 votes
Accepted

What known stake pool attacks exist?

In regards to the fee changes, this attack is somewhat mitigated by the protocol itself. Fee changes take effect in N+2 epochs. So, even if a pool operator raises their fees right before an epoch ends,...
Andrew Westberg - BCSH's user avatar
5 votes

Is "nothing at stake" still a problem?

Nothing at stake usually means, a block producer may produce multiple blocks simultaneously and either send those to different nodes, or keep some for later in order to perform a long-range attack. ...
Markus - CLIO1's user avatar
4 votes

Selfish mining / denial of service on Cardano?

Update 12/13/2021: My first question on Cardano Stack Exchange was What is the Penalty for Running 2 Block Producer Nodes? Which I was told, "Network can penalize." But I never received an ...
Jacob - SNOWY Pool's user avatar
3 votes

What known stake pool attacks exist?

To answer your second question about tools notifying you about pool changes, you can try PoolTool Mobile. From there you can set up Fee Change, Pool Saturation, and New Block mined notifications.
LaX's user avatar
  • 443
3 votes

How to prevent economic DOS attacks against Plutus contracts

These types of attacks are inherent to the auction model and are not dependent on the technology used. To protect against these, auctions have a minimum bid increase. Other solutions would be (i) a ...
Jey's user avatar
  • 1,549
1 vote

How to prevent economic DOS attacks against Plutus contracts

I can think of a different way to structure the contract to avoid this attack. If you allow all the bidders to lock up their funds at the same time, in separate UTxOs, the auctioneer could just choose ...
Mitchell Turner's user avatar
1 vote

How will stake pools be prevented from cheating the fixed fee?

There is no benefit to any SPO to try and put transactions into the blocks they create. All transaction fees are aggregated at the end of the epoch then distributed proportionally to SPOs based on ...
Scalextrix's user avatar
1 vote
Accepted

How will stake pools be prevented from cheating the fixed fee?

The reward for Stake Pool Operator (SPO) depends upon three factors :- Amount of ADA Pledged by the SPO Deligation from other wallets Percentage he sets while registering the pool. The reward is ...
raghu's user avatar
  • 1,834

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