Ethereum News Today: "MegaETH's $5B Stablecoin Launch Derailed by Tech Glitches and Exploits"

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Tuesday, Nov 25, 2025 8:06 pm ET2min read
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- MegaETH scrapped its USDm stablecoin pre-deposit plan after technical glitches and user exploits caused a $1B cap to surge to $5B within minutes.

- KYC system failures and a misconfigured 4-of-4 multisig transaction allowed unauthorized deposits to exceed the initial $250M threshold rapidly.

- A suspected crypto whale exploited pre-signed workflows to accelerate allocations, triggering unfair access and forcing a withdrawal mechanism for affected users.

- Despite the chaos, MegaETH maintains its 2026 mainnet timeline and stablecoin vision, while critics highlight preventable engineering flaws in high-stakes blockchain launches.

MegaETH, a high-throughput

layer-2 protocol, has faced significant turbulence in its USDm stablecoin pre-deposit launch, scrapping plans to expand the deposit cap to $1 billion after a cascade of technical failures and user exploits. The project initially on November 25 with a $250 million cap, targeting verified participants from its oversubscribed MEGA token . However, within minutes of the launch, website outages and misconfigured multisig transactions derailed the process, forcing the team to freeze deposits at $500 million and abandon the $1 billion expansion .

The chaos began when MegaETH's Know Your Customer (KYC) system failed due to configuration errors, delaying access for verified users

. Simultaneously, - intended to increase the cap - was executed prematurely, allowing new deposits to surge past the $250 million threshold. The protocol's timeline reconstruction revealed that the multisig's 4-of-4 signature threshold was mistakenly set instead of the intended 3-of-4, enabling unauthorized execution . This error, coupled with user spamming of refresh requests, led to rapid filling of the initial cap and forced MegaETH to introduce a withdrawal option for affected participants .

Compounding the issues, the protocol's pre-signed transaction workflow to trigger the cap increase and accelerate USDm distribution ahead of the official window. The aggregate ceiling was later revised to $5 billion, with over $4.83 billion already allocated, highlighting both the project's strong demand and operational vulnerabilities . MegaETH's team acknowledged the failures in a post, stating, "We expect higher of ourselves and there are no excuses," while promising a retro and withdrawal mechanism for impacted users .

Despite the rocky rollout, MegaETH remains bullish on its USDm stablecoin, which is minted via Ethena's USDtb system and designed to offset sequencer costs on its real-time, Ethereum-secured layer-2 network

. The project, Vitalik Buterin and Joe Lubin, aims to achieve 100,000 transactions per second with sub-millisecond latency. Pre-deposit participants, who must have completed KYC during MegaETH's $1.39 billion MEGA token auction , will receive consideration for future rewards, though liquidity deployment has been accelerated due to the exploit .

The incident underscores the challenges of scaling high-stakes blockchain launches, with critics arguing that the team's missteps could have been avoided with stricter engineering protocols

. Nevertheless, MegaETH's transparency in detailing the failures has garnered some praise, even as users express frustration over the unfair access to early allocations . The project's roadmap remains unchanged, with a mainnet launch expected in early 2026 .