Explain to me how VISA, with it's IBM 3/60 and hundreds of thousands of paper receipts each day is supposed to scale to 15,000 TPS ?

Also, don't dismiss Lightning, as the other comments have said.

Also, how do the thousands of trades per second that Bitcoin exchanges process happen?

RTGS the banking Real Time Gross Settlement layer for banks is capable of handling up to 9 TPS, but rarely exceeds 5.

There are hundreds of answers across thousands of scenarios.

You have asked a multi disciplined, multi factor question as if it requires a single answer.

I've given a couple of things to think about, but VISA couldn't answer the same question in the 1970's either.

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The usual handwavy answer; ”Technical development will take care of itself. And you are stupid. Bitcoin will fix this”

Yes, but it is the correct answer.

Just because you don't like it or dismiss it, doesn't make it wrong.

Re-read it, it contains more depth than you have indicated you understand.

Particularly the RTGS part and the IBM 3/60 part.

Research RTGS, after a few months you should understand that Bitcoin already operates faster than banks do.

Research Lightning, after a few months you should understand Lightning operates faster than VISA / Mastercard does and it also scales faster and much greater than existing merchant service infrastructure providers.

Or do you just want to troll?

I'm something of an expert on trolling myself you know 😂

I have not questioned the speed of Lightning but there is not enough block space for many small non custodially produced channels. You will have to rely on LARGE channels that are open for long periods of time, and then we suddenly have Trusted Third Parties (which was my point) or have I misunderstood Lightning completely?

Yes, you've misunderstood Lightning completely in the same way most people quote semi truths about Bitcoin that make it seem wrong or stupid.

Run a node for a while, they are easy to run and will help you understand how powerful they can be.

Also, don't forget there are paper Bitcoin options emerging now like Cashu (not the fake Bitcoin trading meaning of paper Bitcoin).

For offline communities, it is possible to have printed notes that can be exchanged infinitely before they obtain final settlement on chain, which you may never need to do.

Also mints, which are private communities. These do require trust models, but can be useful for organisations or groups where trust is already built in.

There are so many options for so many different scenarios. It's worth your while exploring them more.

😅I run a node, Start 9 since 2023. On the basis of this my scepticism of Lightning in its non custodial form has increased. It works NOW (and the zapps I give away comes from my node) but it will not satisfy 8 billion people using only non custodial wallets. You will have to rely on Trusted Third Parties like Wallet of Satoshi and Muun and Speed Wallet etc to even have a chance to satisfy the global population and not only a couple of hundred thousand nerds🤷🏼‍♂️