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In Bitcoin, users buy or accept payment in the form of a digital currency called bitcoin. This is a very easy way to solve fast jamming, but the issue is that it has an impact on normal users as well, because if you’re a normal user, you try to make payments, you have a lot of failures before you actually get to the recipient, you will have paid upfront fees for failures that you may think are not your fault, not something you should be paying for. But with these both redundant overpayments and also with the stepless payment, basically we first establish the contract and once we get a response from the recipient that they have received sufficient parts of the contract, we would only then exchange the secret; and once they have the secret, we can exchange the secret in a form in which they are only allowed to pull in enough payments. We’ve spoken previously, over maybe six months a bunch of different times, about different kinds of channel jamming attacks: liquidity jamming attacks, which exhaust the capacities in channels; and HTLC jamming attacks, where the attacker attempts to take all the HTLC slots with a bunch of small payments.

We’ve had a few of those discussions over maybe six or nine months, and I’m curious how you all would summarize the jamming discussions from the LN Summit meeting. This backgrounder brings clarity to federal oversight of and jurisdiction over virtual currencies, the self-certification process, and the constituencies the CFTC believes could be impacted by virtual currency futures. Bitcoin mining is so called because it resembles the mining of other commodities: it requires exertion and it slowly makes new currency available at a rate that resembles the rate at which commodities like gold are mined from the ground. Bastien Teinturier: So basically jamming, there are two types of jamming, slow jamming and fast jamming, and those two types of jamming potentially and most likely need two different kinds of solutions. And for this, one of the promising solutions is to use local reputation, where you track how much fee revenue every one of your peers has generated for you in the past, and you only allocate them liquidity bandwidth for something that would lose less than what they made you earn in the past basically. So for fast jamming, paying upfront fees all the time, whenever you send an HTLC, even if it’s going to fail, you pay a small fee, a fixed upfront fee.

A Return to Fees - why fees spike in Bitcoin, why high fees may return, and how businesses can thrive in a high-fee environment. The central thrust is that the blockchain creates a means for establishing distributed consensus in the virtual online environment. Mark Erhardt: So basically, all of these would decouple the establishing of the multi-hop contract with the execution of the multi-hop contract. Mark Erhardt: It also is really nice about - one thing that I really want to point out. Mark Erhardt: Yeah, with the simple variant where you do two or three times more, wouldn’t that be sort of a jamming vector? Bastien Teinturier: Yeah, and even if it was only 50% more or even 20% more, that could be considered jamming as well. Mike Schmidt: Well, speaking of jamming, the next topic from the Summit was Channel jamming mitigation proposals. Mike Schmidt: But it doesn’t prevent that information, that local information, from being shared outside of the protocol, right? So it’s like 100% of liquidity required, then 200%, then 300%. Whereas boomerang and spear allow you to do essentially fractions above a 100%, is that right?

And I think the original stock list is essentially like, you can do the full payment 100%, and then you can also do a secondary and a third. So the one, Bastien, you’re talking about, I think that’s spear actually. If any member companies who think they’ll be able to attend have topics they’re interested in discussing, please email Optech. Issues are surrounding the transparency of the website making it difficult to understand the fine print and the fact that they only use email to communicate is pretty redundant and old-fashioned. There are various reasons behind such increasing popularity. There are advantages and disadvantages to using a custodial exchange or wallet. This way, we can let this run on the network for a while, https://youtu.be/ evaluate how it works in real life, and once it’s in implementation, that way we can also start doing some research on regtest where we simulate networks where attackers are trying different kinds of behaviors and see how the local reputation algorithms work with those type of attacks.