A Cryptocurrency Network Suddenly Stopped Working: It is said that Funds Can Be Stolen by Hackers Sideways at Any Moment!

It was reported that the fate of approximately 500 thousand dollars of investor funds is at risk after Layer-2 network Re.al suddenly stopped working.

Researcher Luca Donno, who stated that blockchain production stopped on Friday, announced that the network became dysfunctional due to the inactivity of the data availability committee (DAC).

Donno, who works on the L2Beat research platform, stated in his post on X, "A malicious actor could steal all funds by making changes to the system as it currently stands, and there is no way to prevent this," drawing attention to a potential security vulnerability.

Data Availability Committee (DAC), is a structure where specific addresses are whitelisted and responsible for sharing off-chain data in the Re.al project. However, when this structure is not functioning, the network's liveliness disappears, and transactions come to a halt.

Donno's warning is not just a problem unique to Re.al; it also highlights a larger security vulnerability facing the decentralized finance DeFi world. According to DefiLlama data, the total amount of funds stolen in attacks on cryptocurrencies in 2025 has exceeded 2 billion dollars. This figure represents a 50% increase compared to the entire year of 2024.

Re.al, created by the Tangible team behind the collapsed USDR stablecoin project in 2023 due to mismanagement of its treasury. USDR had lost 50% of its peg to the dollar, causing significant losses to investors. Following this failure, the team shifted to the Re.al project, aiming to tokenize physical assets.

Launched in 2024, Re.al, a platform that tokenizes real estate assets, quickly raised investments of up to 18 million dollars. However, the total asset value attached to the project has now fallen below 500,000 dollars.

Donno, they mentioned that users could try to withdraw their funds via the Ethereum network, but stated that this process would take 12 days. During this time, a malicious actor could steal existing funds by making a malicious update to the system. This is because the off-chain data that should be provided by the DAC is missing from the network, leaving the transactions vulnerable.

*Not investment advice.

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