Comments (3)
citing @GrandGarcon from the RGB Q&A chat:
"Does RGB protocol in some sense trying to manage the attacks, specially for the transactions in UTXO group, and whether there is any specs that you have been writing to explain the possible solution?"
from lnpbps.
Most of the attacks, both the above two and in general lightning network attacks have to do with HTLCs. While the defence for griefing attack requires a new form of commitment revocation structure like HTLC-GP, the utxo flood attack is inherent to HTLCs and cant be fixed completely.
It is also a widescale discussion in LN community, because of these problems of HTLC, is to have other forms of commitment revocation structure, like PTLCs and Eltoo.
As far as I understand lnp-node is being specifically designed considering such a situation in mind, where we might need to change the commitment revocation process completely. Thus it is being designed in modular ways. So theoretically it should be possible to run lnp-node with any kind of better substitute of HTLCs.
IMO this is the only logical approach of making a flexible LN node. Because the market cannot build out every solution for all the academic attacks and we don't know which mix of solutions will actually be adopted in large scale. It is very much possible that LN will require deep technical modification to address all these ongoing attack issues, so its important to be versatile enough to adopt whatever solution emerging in the market. And lnp-node is probably the only implementation that can handle such transition/upgrade smoothly.
from lnpbps.
Thanks , Indeed your analysis is correct . the initial paper (2016 , Joseph Phoon et al , pg 3.3.1 ) do mention the possibilities of the attacks of flooding in the mempool and unreliable CT's . so in case , there can be addition of the special bits that can given some kind of information to the intermediate nodes , so that they can reject the possible modifications done by the intermediate nodes for changing TS for lockup period etc.
from lnpbps.
Related Issues (20)
- Make data type constants part fo the standard HOT 1
- Upgrade LNPBP-4 with merke trees
- LNPBP-2 references to an outdated stage of commitment procedure of LNPBP-1 HOT 2
- LNPBP-1 lacks standardization of public key serialization format HOT 6
- Cover multiple instances of the same pubkey in LNPBP-1 and 2 standards
- Allow bulletproof implementation upgradability in RGB schema HOT 1
- LNPBP-31: ElGamal on Secp256k1
- Write Tapret commitments standard HOT 4
- Test vectors HOT 1
- Write specification for opret-based RGB in BOLT lightning
- ticker doesn't allow numbers HOT 2
- decide future of current RGB21 implementation HOT 1
- Add contract media global state HOT 2
- RGB: Use i64 instead of i32 for Timestamps in interface standards HOT 6
- RGB-21 Schema: What should be the limit of the length of the name field? HOT 2
- RGB-21 Schema: Custom token data formatting HOT 2
- LNPBP-2: Miniscript determinism can't be used for key tweaks HOT 1
- LNPBP-2: Upgrade miniscript version requirement to v5.0.0 tagged commit
- LNPBP-38: Add support for Bifrost
- RGBv2: Reduce anchor entropy bit size by merging with txid data
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from lnpbps.