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The wind-down estate of Terraform Labs has filed a lawsuit in a Manhattan federal court against Jane Street Group, alleging the prominent Wall Street trading firm utilized material non-public information to accelerate the $40 billion collapse of the TerraUSD (UST) stablecoin in May 2022. The complaint, filed in the Southern District of New York, names Jane Street co-founder Robert Granier and employees Bryce Pratt and Michael Hang, asserting that the firm’s coordinated sell-off orchestrated a "death spiral" that triggered a multi-year "crypto winter."
Key Points
- The Terraform Labs bankruptcy estate alleges Jane Street operated a private communication channel, dubbed "Bryce’s Secret," to funnel insider data from Terraform employees.
- Jane Street reportedly executed an $85 million UST sell order on Curve Finance just minutes after Terraform withdrew $150 million in liquidity, a move that was not yet public knowledge.
- The lawsuit seeks damages to compensate creditors following Terraform’s Chapter 11 bankruptcy filing in January 2024 and its subsequent $4.5 billion settlement with the SEC.
- Jane Street has denied all allegations, characterizing the litigation as an opportunistic attempt to recoup losses stemming from Terraform’s own structural failures.
The "Bryce’s Secret" Back Channel
At the center of the complaint is Bryce Pratt, a Jane Street employee and former Terraform Labs intern. The estate alleges that Pratt leveraged his existing relationships within Terraform to establish an illicit information pipeline. This connection reportedly culminated in a private group chat titled "Bryce’s Secret," which served as a conduit for sensitive operational data between the two firms.
According to the filing, this channel remained active even as the UST peg began to fracture. On May 9, 2022, while UST was trading precariously below 80 cents, Pratt allegedly initiated a group message with Terraform co-founder Do Kwon to discuss potential bids on Bitcoin or Luna. The estate contends that these high-level interactions provided Jane Street with a definitive advantage over the broader market, allowing the firm to anticipate liquidity shifts before they were executed on-chain.
Exploiting the Curve Finance Liquidity Pool
The most damning evidence presented by the estate concerns a specific sequence of events on May 7, 2022. Internal records indicate that Terraform Labs withdrew $150 million in UST from the Curve Finance "three-pool" to reposition liquidity for a forthcoming protocol update. While Do Kwon did not publicly announce this withdrawal until the following day, the lawsuit claims a wallet linked to Jane Street sold $85 million in UST in a single transaction mere minutes after the withdrawal.
In an Automated Market Maker (AMM) environment like Curve, price stability depends heavily on pool balances. By selling such a massive volume immediately after a major liquidity withdrawal, Jane Street allegedly forced an imbalance that made the peg impossible to defend. This "front-running" of a major liquidity event is cited as the primary catalyst that turned a manageable fluctuation into an irreversible collapse.
Market Manipulation or Structural Failure?
Jane Street’s legal team has signaled a defense rooted in the well-documented flaws of the Terra ecosystem. In April 2024, a Manhattan jury found Terraform Labs and Do Kwon liable for civil fraud, agreeing with the SEC that the firms misled investors regarding the stability of the algorithmic stablecoin. Jane Street is expected to argue that the 2022 collapse was a direct result of Terraform’s deceptive product design rather than external trading activity.
"The losses came from Terraform's deception and product design, not from a trading firm reacting to market stress."
The Terraform estate, however, views this as a targeted effort to recover value for creditors who were left with nothing after the collapse. This legal strategy mirrors a December 2025 lawsuit filed by the estate against Jump Trading, which sought $4 billion for similar allegations of market manipulation. By targeting major market makers, the estate aims to prove that the UST failure was not a random market event but a crisis exacerbated by institutional actors with privileged access.
Legal Precedent and Industry Fallout
The outcome of this case hinges on whether the SDNY judge allows the discovery phase to proceed. If the motion to dismiss is denied, Jane Street may be forced to relinquish internal emails, chat logs, and proprietary trading records to verify the "Bryce’s Secret" allegations. This level of transparency is rare for private high-frequency trading firms and could set a significant precedent for how insider trading is defined in the decentralized finance (DeFi) sector.
While this is a civil matter, the shadow of criminal prosecution looms. In late 2025, Do Kwon was sentenced to 15 years in prison for his role in the fraud, and previous cases—such as the Ishan Wahi Coinbase tipping scandal—demonstrate that federal prosecutors are increasingly willing to apply traditional wire fraud and insider trading theories to digital assets.
The legal proceedings are currently stalled by a deficiency notice from the court regarding redaction rules and filing signatures. Once these administrative hurdles are cleared, Jane Street is expected to file a formal motion to dismiss, marking the next critical juncture in a case that could redefine institutional accountability in the cryptocurrency markets.
