LUNA crashes 99.9%, dragging UST into Terra's spiral

UST loses dollar parity, LUNA plummets from $56.75 to €0.002. The blockchain halts as Do Kwon proposes a chain fork.

English · Original discussion in Spanish · Published

LUNA crashes 99.9%, dragging UST into Terra's spiral
Terra collapses: LUNA drops from $56.75 to €0.002 as UST loses parity

The UST's peg to the dollar broke and never recovered. In a matter of days, LUNA went from trading at $56.75, down 13.66% in one session, to being worth €0.002. The algorithmic stablecoin, which promised to always be worth one dollar, became the accelerator of its own destruction. What started as a 1.2% deviation ended up as a 94% collapse in a month.

From $56.75 to €0.002: LUNA's fall in figures

The first warning was small. UST was trading at $0.988, just 1.2% below parity. LUNA held at 55.42. But the token's capitalization was dangerously close to that of its own stablecoin: 18.39 billion versus 18.38 billion. That crossover was a red flag. When the collateral is worth the same as what it collateralizes, the system has no room for error.

From there, the sequence was dizzying. UST fell to 0.975, then to 0.96, and then to $0.9495, more than 5% away from parity. There was a fleeting rebound — LUNA to 47.5 and UST to 0.9731 in two minutes — which served as a trap for the unwary. Then came the abyss. LUNA to 4.70, then to 0.015 euros, and finally to €0.002, compared to the 2.5 euros it was worth just a day earlier. UST appeared at $0.37 and $0.30.

Why UST couldn't return to the dollar

Terra's mechanism burned LUNA to stabilize UST at one dollar. The problem was that this design only worked as long as the collateral widely exceeded the stablecoin's circulating supply. In recent months, UST grew at an excessive rate, driven mainly by incentives from Anchor. The safety layer narrowed just as a bearish cycle began across the entire market.

As soon as the token's capitalization and the stablecoin's capitalization equalized, any selling pressure turned into a spiral. Selling UST forced the minting and dumping of LUNA, which sank LUNA's price, which in turn weakened UST's backing. The loop fed back endlessly. Those who have been in crypto for years maintain they have never seen anything like this in a project whose developers were still actively working: actual scams have lost less value.

Coordinated attack or design flaw?

Here the diagnosis splits. One current of thought holds that there was an orchestrated attack, similar to the one Soros launched against the British pound in 1992: an institution with sufficient liquidity starts selling, drags small investors into panic, and finishes off the system. Under this interpretation, whoever profited from the collapse now has a clear path to repeat the play with other stablecoins.

The other interpretation does not absolve Terra of conspiracy but points to the design. A mechanism that turns every sale of a stablecoin into downward pressure on the backing token is an open invitation for anyone to exploit it. Both interpretations are not mutually exclusive: there can be an attack and, at the same time, an architecture vulnerable to that attack. The collateral and the collateralized ending up equal is not bad luck, it's mathematics.

Blockchain halts as Do Kwon proposes a fork

Binance warned that it would delist LUNA/USDT contracts if the price fell below $0.005. The chain officially halted at block 7603700. The justification: to prevent governance attacks amid severe LUNA hyperinflation and a reduced attack cost.

The paradox was evident. A project marketed as pure decentralization proved to be a network controlled by a group capable of halting it when their interests were at risk. The founder himself later proposed forking the chain into a new one without an algorithmic stablecoin, a move that part of the community received with distrust, suspecting the vote would be a mere formality.

Even with all this, the ruin wasn't total. Someone bought 15,000 Lunas for four reais, betting that such a community and such volume wouldn't disappear entirely. They might be right, and the name might continue to move money. What is certain is that astronomy always had bad company: the Moon also ended up in free fall.

Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication. Read the full discussion (220 replies).

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