
building financial luftschlösser from 0s and 1s, @sprinter_ux
Joined April 2023
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Good way to get back on speed after a lil break
Welcome to Edition #3 of "This week in onchain credit" 🏃
The week's credit stories in one thread. Lending markets, RWAs, tokenization, and whatever else the credit stack is up to this week 👇
The mispriced LTV here isn't the failed safety buffer, it's the lure. Priced to the real MPOR, unbounded once redemptions gate, the loop is unprofitable and never forms. The bad LTV isn't an oversight in the product, it is the product. With increasing regulatory attention, permissionless venues like Morpho will have to put controls around what can be deployed, and at what LTV.
How an RWA credit facility blows up
1. You deposit USDC into an onchain credit facility and get a yield-bearing stablecoin in return ("USDX"). USDX is backed by a portfolio of loans to offchain borrowers, according to the marketing.
2. USDX's issuer creates a Morpho market where you pledge USDX and borrow USDC, up to a 91.5% LLTV. You go to Morpho, post your USDX, borrow USDC, buy more USDX, and repeat. You now have 10x leverage.
3. Morpho values USDX using the portfolio’s NAV, relayed onchain by a “Verified NAV Oracle.” The oracle doesn't verify that the loans are worth that amount, or that the collateral can be liquidated. They pass along the issuer's self-reported NAV, which increases mechanically at par plus the coupon rate. If you bought on Day 1 at $1.00, and the annual coupon was 7%, it would be worth $1.07 on Day 365.
4. The borrowers begin to deteriorate offchain, payments stop flowing in, covenants are busted. Your Morpho position looks fine because the USDX price from the oracle continues to increase.
5. Finally the issuer marks down the NAV, on the quarterly schedule. Assuming a 91.5% liquidation threshold, a position at 90% LTV only needs a 1.64% decline to be liquidated. Several looped positions immediately fall underwater.
6. The markdown causes a run. USDX holders submit redemptions at the published NAV. The issuer pays the first redeemers from its cash sleeve, leaving the remaining token supply backed by a less liquid loan book.
7. Once the cash is exhausted, the issuer pauses redemptions, or begins selling loans at a discount. USDX is listed on DEXs - to facilitate orderly liquidations in situations like this - but it trades far below NAV because it can no longer be converted into cash.
8. On Morpho, USDC suppliers withdraw the remaining liquidity, causing borrowing rates to spike and pushing the debt positions further underwater.
9. A liquidator shows up and buys USDX, repaying a portion of the debt. They try and trade it on the DEX but it can't absorb the volume. They try and redeem directly with the issuer but they are stonewalled. They find out the token doesn't actually represent a legal claim on the collateral, or really anything, despite what the marketing said.
10. No other liquidators show up. At a 91.5% LLTV, the liquidation bonus is only ~2.6%, not nearly enough to step in and pursue recovery.
11. You lose your initial investment. The CEX "Earn" depositor who unknowingly funded the whole operation (via an embedded curator vault), loses their entire position.
Not sure gold is the natural fit here. A token is only as strong as the ownership record beneath it, and gold is the one big asset with no authoritative title register. A share exists only as a register entry, so you can always follow it. A gold bar's title is possession plus a custodian's private books.
Which is the point the digitization-vs-composability framing misses. On-chain-ness is mechanics: how a token behaves. The axis that decides the tail is structure, what the token binds to: a subordinated claim (L0) on an operating company, to a native on-chain claim (L4). Fully composable and still a thin claim is a veneer, and composability propagates it through everything that consumes it.
Both axes and the L0-L4 spectrum:
→ The RWA tokenization spectrum xitter.cf/nad_roid/status/207009…
→ Structure vs mechanics xitter.cf/nad_roid/status/207737…
Nadiem Sissouno retweeted
Overcollateralization is not a law of nature. It is one way to guarantee repayment. But there are others.
This is how Closed-System-Embedding (CSE) replaces collateral with enforced constraints.
A lender does not actually want your collateral. They want certainty of repayment.
Two products are both labelled “tokenised real-world asset.” The first has public admin permissions, daily on-chain NAV, a visible redemption queue, verified contracts, and current audits. The second reports NAV in a monthly PDF, does not document admin powers, and handles redemption through support tickets. Ranked on observable mechanics, the first appears stronger. The legal structure, however, is contained in the offering documents. The first is subordinated debt against an operating company. The second is a beneficial interest in a statutorily ring-fenced compartment.
Part 1: xitter.cf/nad_roid/status/207009…:
Part 2: xitter.cf/nad_roid/status/207737…
A position on the grid must be evaluated against the representation made by the product.
The same coordinate can be appropriate or inappropriate depending on what the instrument claims to deliver.
The frequent error is not the coordinate itself but the gap between the coordinate and the claim presented to holders.
The axes are conflated for three reasons.
• Mechanics are directly observable on-chain. Structure resides in legal documents.
• Available vocabulary describes mechanics more readily than structure.
• The distinct questions collapse into a single question of overall safety.
The chain records behaviour. Documents record what the token is. Both are required for assessment.
Four regions on the grid are material:
• Low structure + low mechanics: both weaknesses are visible.
• Low structure + high mechanics: strong observable operations sit on a thin legal claim.
• High structure + low mechanics: ring-fenced vehicle exists but on-chain processes are opaque.
• High structure + high mechanics: both axes are developed.
Redemption runs through both axes. Mechanics determine whether the on-chain flow accurately tracks the asset’s settlement. Structure determines what legal claim is actually transferred or enforced. Even when on-chain state and off-chain action are reciprocal, the arrangement remains bounded by the legal classification of the token.










