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Author Topic: An interesting attack on Bitcoin's Lightning Network posted today  (Read 207 times)
motim (OP)
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February 18, 2020, 12:56:12 PM
 #1

https://medium.com/@ayelem02/congestion-attacks-in-payment-channel-networks-b7ac37208389
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There are several different types of Bitcoin clients. The most secure are full nodes like Bitcoin Core, but full nodes are more resource-heavy, and they must do a lengthy initial syncing process. As a result, lightweight clients with somewhat less security are commonly used.
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February 21, 2020, 03:57:34 PM
 #2

Is this your article?
I think you have done that evaluation on testnet. Not sure if the testnet have the real same behavoir as mainnet....

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February 22, 2020, 11:31:17 PM
 #3

Interesting paper. While I wonder how easy it is find suiteable routes for DoSing LN in practice I guess we'll see soon enough now that this paper has been released.

It's also always nice to see a paper that ends with proposed solutions that do not include an attempt to push a new pre-mined alt coin. Also mitigation seems to be mostly tweaking some parameters with existing LN implementations and safeguards that seem relatively straight-forward to implement -- eg. loop avoidance, as mentioned in the paper -- so we're not utterly doomed yet. It goes to show that we're still in early stages though.

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