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No matter the blockchain, Dave Birch's questions are unchanged. Immutability might be a defining characteristic of blockchain but no blockchain can beat the immutability of the "Dave Birch Immutable Blockchain Questions":)))

How much disintermediation of Debit Cards has been achieved by EBA Clearing's myBank, which provides similar functionality and has been around for a decade?

Transaction flow without JPMCoin: Payer USD ---> USD @ J P Morgan Chase Inc. ---> Payee USD.

Transaction flow with JPMCoin: Payer USD ---> USD @ J P Morgan Chase Inc. --> JPMCoin @ wherever it is ---> Payee USD (if not Payee JPMCoin ---> Payee USD). 

JPMCoin is the "highly contrived middleman" added to the transaction flow by J P Morgan Chase Inc. by using JPMCoin / Blockchain.

"It takes years of experience to be able to budget well. Even then, it’s still uncomfortable most of the time. Budgeting isn’t called an “artform” for no reason." Funny thing is, companies have years - and decades - of experience with estimation and still get it wrong. Me thinks, this is an area that's ripe for being disrupted with AI / ML techniques. Too much time has been spent with conventional estimation techniques without any perceptible improvement.

Blockchain was supposed to eliminate middleman. Instead, JPCoin seems to be adding middleman, that too a highly contrived one.

Personally, credit card has been my preferred method of payment even since the last quintile of 20th century. But, if using cryptocurrencies to avoid state surveillance is so 21st century, there's nothing 20th century about using cash for the same purpose.

Maybe it's only me but, according to  https://www.dcrstrategies.com/benefits-trucash-card/, it'd appear that TruCash is an offering from the author's company DCR Strategies Inc. If so, this article probably belongs to the Press Release section. 

For the moment, if we forget about what happens behind the scenes and also about TPP, AISP, PISP and other 3- and 4-letter Open Banking jargon, how is this any different from EBA Clearing's myBank launched nearly a decade ago? 

At the time it was launched, I predicted that myBank Will Be A Hit. However, I haven't heard much about it since then - one of my predictions gone horribly wrong, I must admit. 

Called NetBanking in India, this mode of payment has been supported on virtually all ecommerce and bill payment websites in India for over a decade. UPI, launched a couple of years ago, also provides similar functionality, albeit via a native mobile app and in arguably a more frictionless manner. 

However, I've rarely used NetBanking and have never used UPI. Reason: Why suffer instant debit when you can pay with credit card and earn rewards, deferred payment, repudiation and other benefits? Best wishes to Adyen but I'm sure the same question will be asked by consumers in markets where credit card penetration is high.

No, I wasn't referring to SCTinst. I was referring to the payment brand actually called "Faster Payments". 

Nice overview but why no mention of UK "Faster Payments", which, if I'm not mistaken, is the first instant (retail) payments service in Europe.

Because Brexit?:)