Bitcoin and ethereum prices have plummeted, but it is unlikely the US will ban cryptocurrencies soon
The epic collapse of wunderkind Sam Bankman-Fried’s $32bn (£27bn) crypto empire, FTX, looks set to go down as one of the great financial debacles of all time. With a storyline full of celebrities, politicians, sex and drugs, the future looks bright for producers of feature films and documentaries. But, to paraphrase Mark Twain, rumours of the death of crypto itself have been much exaggerated.
True, the loss of confidence in “exchanges” such as FTX – essentially crypto financial intermediaries – almost surely means a sustained steep drop in prices for the underlying assets. The vast majority of bitcoin transactions are done “off-chain” in exchanges, not in the bitcoin blockchain itself. These financial intermediaries are vastly more convenient, require much less sophistication to use and do not waste nearly as much energy.
The emergence of exchanges was a major factor fuelling cryptocurrencies’ price growth and if regulators come down hard on them, the price of the underlying tokens will fall. Accordingly, bitcoin and ethereum prices have plummeted.
But a price adjustment alone is not the end of the world. The pertinent question is whether crypto lobbyists will be able to contain the damage. Until now, their money has been speaking volumes; Bankman-Fried reportedly gave $40m to support the Democrats in the US, and his FTX colleague Ryan Salame reportedly gave $23m to Republicans. Such largesse surely helped persuade regulators around the world to follow a wait-and-see approach to crypto regulation, rather than be perceived to be stifling innovation. Well, they waited, and with the FTX crash, we must hope that they saw.
But what will they conclude? The most likely path is to improve regulation of the centralised exchanges – the firms that help individuals store and trade cryptocurrencies “off chain”. The fact that a multibillion-dollar financial intermediary was not subject to normal record-keeping requirements is stupefying, no matter what one thinks about the future of crypto.
Firms would face compliance costs, but effective regulation could restore confidence, benefiting firms aiming to operate honestly, which are surely the majority, at least if one weights these exchanges by size. Greater confidence in the remaining exchanges could even lead to higher crypto prices, though much would depend on the extent to which regulatory demands, particularly on individual identities, ultimately undermined demand. After all, the major transactions currently conducted with crypto may be remittances from rich countries to developing economies and emerging markets, and capital flight in the other direction. In both cases, the parties’ desire to avoid exchange controls and taxes implies a premium on anonymity.
On the other hand, Vitalik Buterin, the co-founder of the ethereum blockchain and one of the crypto industry’s most influential thinkers, has argued that the real lesson of FTX’s collapse is that crypto needs to return to its decentralised roots. Centralised exchanges such as FTX make holding and trading cryptocurrencies much more convenient, but at the expense of opening the door to managerial corruption, just as in any conventional financial firm. Decentralisation can mean greater vulnerability to attack, but so far the largest cryptocurrencies, such as bitcoin and ethereum, have proven resilient.
The problem with having only decentralised exchanges is their inefficiency compared with, say, Visa and Mastercard, or normal bank transactions in advanced economies. Centralised exchanges such as FTX democratised the crypto domain, allowing ordinary people without technical skill to invest and conduct transactions. It is certainly possible that ways to duplicate the speed and cost advantages of centralised exchanges eventually will be found. But this seems unlikely in the foreseeable future, making it hard to see why anyone not engaged in tax and regulatory evasion (not to mention crime) would use crypto, a point I have long emphasised.
Perhaps regulators should push toward decentralised equilibrium by requiring that exchanges know the identity of anyone with whom they transact, including on the blockchain. Although this may sound innocent, it would make it rather difficult to trade on the anonymous blockchain on behalf of an exchange’s customers.
True, there are alternatives involving “chain analysis”, whereby transactions in and out of a bitcoin wallet (account) can be algorithmically examined, allowing the underlying identity to be revealed in some cases. But if this approach was always enough, and all semblance of anonymity could always be obliterated, it is hard to see how crypto could compete with more efficient financial intermediation options.
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Finally, rather than simply banning crypto intermediaries, many countries may ultimately try to ban all crypto transactions, as China and a handful of developing economies have already done. Making it illegal to transact in bitcoin, ethereum and most other crypto would not stop everyone, but it would certainly constrain the system. Just because China was among the first does not make the strategy wrong, especially if one suspects that the main transactions relate to tax evasion and crime, akin to large denomination paper currency notes such as the $100 bill.
Eventually, many other countries are likely to follow China’s lead. But it is unlikely that the most important player, the US, with its weak and fragmented crypto regulation, will undertake a bold strategy any time soon. FTX may be the biggest scandal in crypto so far; sadly, it is unlikely to be the last.
Kenneth Rogoff is professor of economics and public policy at Harvard University. He was the IMF’s chief economist from 2001-03.
© Project Syndicate
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