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Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by kajumix on Wednesday March 17, 2021 @05:34PM (#26497058)
Bitcoin disrupts central bank, not payment networks. Lightning [1] as layer 2 on top of Bitcoin adheres to trustless and p2p ideals, and is actually the competition for Visa.

[1]: https://lightning.network/

Edit: added link

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by nonameiguess on Wednesday March 17, 2021 @09:53PM (#26498983)
I'm sorry but I just laughed like crazy reading this. The US Fed showering the wealthy with more cash than they know what to do with is the only reason Bitcoin continues to exist and anyone holds it. Bitcoin can't disrupt the Fed any more than house flippers in 2006 disrupted the mortgage underwriting industry. Bitcoin completely depends on the Fed. Holding it is a bet that the helicopter will never land.

I guess that's a little unfair as I suppose Bitcoin can help disrupt the central banks of places like Venezuela, giving the elite an easier means of fleeing a collapsing country without losing their wealth. Sort of defeats the purpose of economic collapse if it no longer even serves as a great leveler, but oh well, I guess. As long as the rich can never lose.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by toomuchtodo on Wednesday March 17, 2021 @10:04PM (#26499044)
Zelle disrupts central banks more than Bitcoin in Venezuela.

https://www.bloomberg.com/news/features/2020-11-11/zelle-has...

"I lived in Venezuela. Almost no one uses crypto or cares about crypto. The fees to send bitcoin alone represent a sizeable chunk of money to most Venezuelans."

https://www.reddit.com/r/Economics/comments/jsw96e/zelle_has...

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by runako on Wednesday March 17, 2021 @10:41PM (#26499233)
It looks like a single BTC transaction currently costs >10% of the average monthly income in Venezuela!
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by zionic on Wednesday March 17, 2021 @05:42PM (#26497121)
Lightning, technically speaking, is garbage.

10k transactions per second ETH2 layer 1 + zk roll-ups providing throughout multiplication threatens VISA.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by kajumix on Wednesday March 17, 2021 @05:47PM (#26497180)
I will cheer for the success of ETH2 as well. The reason I like Lightning better is because the engineer in me wants to freeze the base layer and do the experimental layers in isolation. Internet infra is all layered for good reason.
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by Sargos on Wednesday March 17, 2021 @09:08PM (#26498745)
Ethereum is also layered. ZK Rollups are later two and not related to the Ethereum devs. It's an isolated engineering later with lots of experimentation going on with optimistic rollups, ZK Rollups, state channels etc.

The problem with Bitcoin is that it's not technically sophisticated enough to support proper L2s which results in poorly engineered solutions like Lightning and centralized solutions like Liquid.

With Bitcoin more work needs to be done on L1 for the ecosystem to support layers above it while Ethereum could freeze development forever and still support flexible, fast, and decentralized layers on top.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by lupire on Wednesday March 17, 2021 @06:14PM (#26497435)
The OSI layering model of internet infra is largely a myth, a simplification for students. It's similar to C is called "portable assembly" despite compilers being far more complex in practice.
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by quesera on Wednesday March 17, 2021 @06:32PM (#26497612)
OSI layers 1, 2, 3, 4, and 7 are very real.

Roughly, e.g.: 1:Fiber, 2:Ethernet, 3:Routing, 4:TCP/IP, and 7:HTTP.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by lmm on Wednesday March 17, 2021 @11:06PM (#26499353)
Layers 2 and 3 are not real - most networks today merge their functions in the same devices. (In the OSI model switches are illegal, you can only have hubs and routers).

4 and 7 are ceasing to be real - HTTP2 is both a session protocol and an application protocol, and that's before we even get into things like DoH.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by quesera on Thursday March 18, 2021 @09:16AM (#26502314)
You're not wrong, but you are speaking from the perspective of a single implementation stack, i.e. modern Ethernet and the modern Internet.

The model is still solid, even if the most common implementation has melted a bit.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by lmm on Thursday March 18, 2021 @09:26PM (#26509382)
I disagree. The model was supposed to be universal but it fell apart as soon as people started doing anything slightly unanticipated with it. It's simultaneously both overengineered and fragile, not providing enough insight to justify its complexity - rather like OSI itself. There's a reason their protocol suite was a failure in the real world.
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by quesera on Friday March 19, 2021 @11:35AM (#26514543)
That's fair and I agree that the OSI model is not useful for a precise understanding of deployed networking technology.

I do think it is useful as an architectural device or a conceptual design goal -- i.e. a model to model your models on. :)

But I also concede that part of its teaching value is that it is a failure in practice.

It was a formalization of the ad hoc (successful!) design strategies of early networking. I see echoes of it everywhere, most obviously in the Linux kernel, and I think it's valuable for that.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by 3np on Wednesday March 17, 2021 @09:27PM (#26498854)
Isn’t IP commonly considered L3?
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by quesera on Wednesday March 17, 2021 @10:03PM (#26499037)
Yep, and TCP is L4. So TCP/IP is L4/L3.

The usual criticism of the OSI model is that there are grey areas and dependencies, where a lower layers bleed into higher layers (e.g. L2 switching which can work a lot like routing in modern hardware), and higher layers that are tightly bound to lower layers, making the distinctions unclear.

The purist in me wants to agree, but I think the model is too useful to disregard casually.

The value comes from the abstraction, and like Newtonian physics, it is a great model -- until it isn't.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by rawtxapp on Wednesday March 17, 2021 @05:44PM (#26497145)
> Lightning, technically speaking, is garbage.

Do you care to elaborate?

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by pshc on Wednesday March 17, 2021 @09:36PM (#26498903)
Sorry, 10k tx/sec on sharded ETH2 sounds really high to me, is that really the goal or a typo?
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by DennisP on Wednesday March 17, 2021 @09:47PM (#26498953)
Zkrollups plus sharding will do more than that, without security or usability compromises. Rollups can handle a couple thousand tx/sec on Ethereum today and data sharding increases that by 23X initially.

https://vitalik.ca/general/2021/01/05/rollup.html

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by IncRnd on Wednesday March 17, 2021 @09:29PM (#26498872)
> Bitcoin disrupts central bank, not payment networks.

What central bank has been disrupted by Bitcoin?

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by NicoJuicy on Wednesday March 17, 2021 @09:51PM (#26498976)
Who would put his assets in a bank controlled by chinese miners and where you can literally lose your money.

Bitcoin is not a disruption. But blockchain is a useful tech.

Bitcoin is just an implementation of blockchain.

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by ketamine__ on Wednesday March 17, 2021 @09:59PM (#26499014)
China is the disruption. China is where the big growth is happening. Just ask Charlie Munger.
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by NicoJuicy on Thursday March 18, 2021 @09:06PM (#26509253)
And which numbers of that growth do you trust? :)

(just saying that you can't really trust their numbers, growing "big" or growing "normal". Who knows :) )

Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by ketamine__ on Friday March 19, 2021 @07:42AM (#26512163)
I trust Munger knows what he is talking about even though mere mortals like myself don't have the same network.
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by hggh on Wednesday March 17, 2021 @05:52PM (#26497221)
Re:Visa Plans to Enable Bitcoin Payments at 70M Merchants by JohnHaugeland on Wednesday March 17, 2021 @08:56PM (#26498674)
> Bitcoin disrupts central bank

no it doesn't