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A long-term Cardano holder has experienced one of the largest single-wallet losses seen on the network this year after swapping millions of ADA through an illiquid decentralized exchange pool, triggering extreme slippage and wiping out more than 90% of the value in a single transaction.
Blockchain data shows that the user — who had been holding ADA for nearly five years — executed the swap without checking the liquidity depth of the targeted pool, leading to a disastrous result.
14.4 million ADA swapped into a low-cap stablecoin
The wallet in question, identified on-chain as addr…4×534, exchanged 14.4 million ADA (valued at around $6.9 million or approximately IDR112 billion) for just 847,695 USDA stablecoins, worth roughly $847,695 (IDR14 billion) at the time of execution.
The swap occurred through a very narrow liquidity pool, which could not absorb an order of this size. As a result, the price slipped drastically during the transaction, leaving the wallet holder with only a fraction of the intended value.
Liquidity shock sent USDA price temporarily soaring
Blockchain data shows that the transaction took place only seconds after a small test swap. When the larger swap was made, the USDA price spiked aggressively to $1.26, before falling back toward $1.04 soon after.
The abrupt price movement illustrates how low-liquidity pools can behave when a large swap overwhelms available depth. With insufficient funds on the opposite side of the pool, automated market maker (AMM) formulas adjust the price sharply, leading to damaging execution.
Analysts monitoring the transaction noted that even small-cap stablecoins can be affected by this type of liquidity shock when trading volume is concentrated in a single event rather than distributed across time.
User error or incorrect token selection?
It remains unclear whether the wallet owner intentionally intended to swap into USDA, or if the transaction was a mistake in asset selection. Blockchain history shows that the wallet had never previously held USDA, and no prior interaction history connects the address to the stablecoin’s ecosystem.
Regardless of the cause, analysts say the loss can be attributed to insufficient liquidity checks prior to executing the trade.
A cautionary example for DeFi participants
This high-profile loss serves as a strong reminder for DeFi users, particularly when interacting with lower-cap stablecoins or lesser-known liquidity pools. Experts emphasize critical risk-management steps:
• always verify pool liquidity before executing large swaps • avoid single-transaction conversions of multimillion-dollar values • consider batching multiple smaller swaps to avoid slippage • review asset tickers to prevent confusion between similar names • confirm whether the token has credible market depth and listings
While decentralized exchanges provide flexibility, they do not protect users from execution risk — especially when dealing with stablecoins that do not have broad circulation or trading volume.
DeFi risk remains despite rising adoption
Incidents like this reflect an ongoing challenge within the decentralized finance ecosystem: user responsibility plays a central role, and small mistakes can be costly. Unlike centralized exchanges, DEX platforms do not offer confirmation prompts warning about high slippage unless manually configured.
This event comes during a period of rising DeFi adoption across multiple chains, with Cardano continuing to expand its ecosystem of lending protocols, stablecoins, and tokenized assets. However, low-cap assets remain particularly sensitive to liquidity imbalances.
A loss, but also a lesson
For experienced traders and newcomers alike, the event highlights the crucial difference between market price and execution price. Even when a token appears stable on charts, liquidity depth determines whether a large order will be filled efficiently or severely penalized by slippage.
Many analysts point out that this case reinforces one key rule: in DeFi, security does not only relate to smart-contract safety, but also to execution discipline.
