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Comment by RandomLensman | Hacker News Reader

Holding the treasuries is not enough in a run, need to able to sell them at the required price, too.

Point taken. But since it's short-term, as long as they delay deposits for a short time period, there is no problem.

Comparison with bank deposits: Consider March this year, when Circle-issued USDC stablecoin had a "bank run". It wasn't because of their treasury holdings, but because they put reserves in Silicon Valley Bank, which had a bank run. A transitive bank run, if you will. It only recovered because of FDIC insurance, which went above and beyond their legal $250k/person limit.

Treasuries are backed by the full faith and credit of the US government, without any per-person or monetary limits.

Isn't the whole thing conceptually the same as or very close to a money market fund then (absent the specific regulations there)? What is the advantage?

Yes, I would say so. Advantages are liquidity & ease of transfers (both within custodians like PayPal, and on public blockchains).

If you want ease of transfer and liquidity then you are kind of back to a bank demand deposit, no? Why go the extra steps?

If you want to transfer treasuries, that can be done, too.

I mean conceptually this is just VUSXX (with a lower interest rate probably), but you can buy something online with it through a PayPal checkout page, or send it to a friend through the PayPal app, or send it across borders in seconds. I do think that has value from an ease-of-use standpoint.

Feels quite similar to normal banking products, but I suppose retail banking in the US is so poor, that it might already be an advantage there.

You actually don’t if you throw in a clause in the redemption contracts that grants you up to X days of delay.

That only helps if the treasuries get redeemed by then (and it also isn't quite what people would expect in terms of liquidity, I suppose. Kind of similar to other options then, e.g., looking at some recent situations, FDIC stepping in also doesn't seem to take forever for retail).

That’s exactly the point. If you have up to X days, you hold US treasuries with maturities of up to X days.

You can also add clauses to the contract that allow earlier redemption into the underlying securities with redemption less than X days.

There’s a lot of ways to skin this cat and still pocket the spread in the general case.

Sure, but doesn't that business model kind of exist then in the form of money market funds (and somewhat related in bank deposits) anyway? What's the new thing from a customer and business perspective?

Being able to take part in the defi ecosystem.

Being able to have all your money stolen with no recourse when you misplace your crypto pass phrase is new.

US treasuries are probably the one thing you can liquidate in huge quantities at par at almost any time. I suppose you're vulnerable to stupid duration mismatch issues like SVB.

Generally true, but if you have a lot and people know you need to liquidate, you perhaps shouldn't rule out losing a little compared to your marks.

The GP mentioned “short term” treasuries which, assuming something like an 7 day maturity, are very stable in price. Reverse repo is also an option.

If everyone in the street knows you are under pressure, watch what happens - even getting $0.9999 back on the $ of your "deposit" would probably have people being upset. And 7 days to get your money is probably longer that what people expect.

You wouldn’t need to wait 7 days. The price of a short-term treasuries is purely based off of the current interest rates. Given that expectations for rates are generally priced in over a 7 day period, there is very little risk.

Even treasuries don't have infinite liquidity.

Just a cool 750B a day plus 4T is repo operations.

I know! But I think being a forced seller would have implications (e.g., would repo lines even stay in place?).

If the US treasuries market is no longer liquid enough for a (comparably) small player like PayPal then you got much bigger problems.

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