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Michael J. Casey is the chairman of CoinDesk’s advisory board and a senior advisor for blockchain research at MIT’s Digital Currency Initiative.

The following article originally appeared in CoinDesk Weekly, a custom-curated newsletter delivered every Sunday exclusively to our subscribers.


Whether bitcoin or its imitators eventually achieve global ubiquity, they have already achieved success in one fundamental way: forcing humans to rethink their relationship with money and .

Cryptocurrencies weren’t on the ballot during Switzerland’s “sovereign money” referendum last weekend, in which Swiss citizens rejected by a ratio of three to one a proposal to end fractional reserve banking and give sole money-creation authority to the Swiss National Bank. But they were the elephant in the room.

The very presence of the crypto alternative, I believe, will eventually economies worldwide to disintermediate banks from money, yet the direct authors of that change won’t be activist voters wielding ill-conceived referenda or crypto enthusiasts voting with their wallets.

The first phase of a transition toward a true “money of the people” will be implemented by central banks themselves, striving and competing to remain relevant in a post-crisis, post-trust, digitally connected global economy.

That might disappoint adherents of the cypherpunk dream who birthed bitcoin. But the good news for those who want governments out of money altogether is that when currencies become digital – and enjoy all the bells and whistles of programmable money – they will foster more intense global competition among themselves.

When smart contracts can manage exchange rate volatility, for example, people and businesses involved in international trade will not need to rely solely on the dollar as the cross-border currency of choice. This more competitive environment will ultimately the door to non-government digital alternatives such a bitcoin.

Backlash against CBDCs

To be sure, official enthusiasm for central bank-issued digital currency, or CBDC as it has become known, has waned somewhat as the old guard of central banking has dug in its heels.

At the Bank of England, which spearheaded research into the idea three years ago, Governor Mark Carney has lately warned of financial instability if his institution were to directly provide digital wallets to ordinary citizens — a change that would, in effect, give everyone the same right to hold reserves at the central bank as regulated commercial banks.

The Bank of International Settlements – a kind of international club for central banks – has echoed Carney’s concerns, as have other officials.

This backlash, which suggests that the bank supervisory teams within central bank bureaucracies have regained ascendancy over technologists and innovators in their internal debates over CBDC, stems from a well-founded expectation: bank runs would be a real possibility.

Why hold your money at risky, friction-laden institutions paying near-zero interest when you can store at zero risk with the central bank itself and trade it automatically with other fiat digital wallet holders?

But why, also, should we care what happens to banks?

Banks are the problem

The only reason to promote digital fiat currencies is precisely to bypass the banks. Whether the currency is fiat or decentralized, banks are the problem. The technical, social and regulatory infrastructure upon which they operate is decades old and fraught with unnecessary compliance costs.

Banks maintain centralized, non-interoperable databases on outdated, clunky COBOL mainframes. They rely on multiple intermediaries to process payments, each managing their own, siloed ledgers that must be reconciled against each other through time-consuming fraud-prevention mechanisms.

All these inefficient systems, instituted to address the problem of trust, merely add to the cost of trust in the system.

“Why, in a digital age, can’t we move money around 24/7? Because we have bad middleware, and that bad middleware is existing financial infrastructure,” says Charles Cascarilla, CEO of Paxos, which is blockchain-based trading infrastructure for the financial system.

In addition, there’s the massive political risk that comes with banks’ involvement in our payments system.

The reason why it was deemed necessary for governments to bail out the world’s banks to the tune of trillions of dollars in 2008 was that not doing so would have thrust our highly complex payments systems into chaos. The global economy would have had a cardiac arrest. It’s that threat of bringing us all down with them that gives “too-big-to-fail” banks a hold over policymaking.

Many central , still smarting from the fallout from that crisis, know this is the problem. Many see real benefits in removing banks from payments and recognize that digital currencies can help. The question is how to get there without fomenting chaos.

Gradual solutions

One solution: a phased approach over time. You don’t provide CBDC to everyone at first; you with large non-bank financial institutions, follow it up with a certain class of large corporations, then move to smaller businesses, and only make it available to individuals as a last step.

Another solution: the introduction of a unique, central bank-determined CBDC interest rate. This would be an addition to the central bank toolkit for managing money supply, which currently hinges on a combination of a policy rate imposed on banks’ reserves and interventions in the two-way market for buying and selling government securities with banks.

A separate CBDC interest rate would provide a means to calibrate the flow of money between banks and digital fiat wallets, potentially within a long-term plan to gradually shift it from the former to the latter without overly disrupting the system.

As Sheila Bair, the former Chair of the Federal Deposit Insurance Corp., argued in a recent op-ed, this new interest rate tool could enhance monetary policy, as central banks could use it to either stimulate or cool the economy. By directly affecting the rate at which people’s currency holdings grow, incentives to or spend could be directly implemented.

Still, I don’t see developed-world central banks rushing to do this. Their relationships to commercial banks are too entrenched. And, for now at least, it’s hard for many in that system to even conceive of a monetary system that doesn’t revolve around them.

But it’s different for developing-world central banks. For too long those countries’ monetary policy has been driven by the policies of the world’s biggest central bank, the Federal Reserve. If the cuts rates, foreign, inflationary money floods into their bank-centric financial systems; if it hikes rates, they face deflationary risks. In theory, a fiat digital currency could allow them to offset those forces.

Now, of course, all of this could go wrong. A new tool for profligate governments to debase their citizens’ money does not look desirable. For proof, look no further than the rogue state of Venezuela and its new, centrally controlled digital currency, the petro.

Yet that may also be what ultimately gives bitcoin, or some other viable altcoin, a chance to shine, especially as Layer 2 solutions start to help with scalability and liquidity. Central banks can’t put the cryptocurrency genie back in the bottle. Their potential embrace of digital fiat currencies will happen in an era when their citizens have a choice – they can shift to these new decentralized solutions, with increasing ease.

Whether they take over the world or not, the power of the market in a more open system of currency choice will mean that cryptocurrencies will hopefully play a vital role in forcing these politicized, centralized institutions to better manage their people’s money.

Federal Reserve image via Shutterstock

The leader in blockchain news, CoinDesk is a media outlet that strives for the highest journalistic standards and abides by a strict set of editorial policies. CoinDesk is an independent operating subsidiary of Digital Currency Group, which invests in cryptocurrencies and blockchain .



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