292 millions piratés, la Finance Décentralisée tremble, Aave dans la sauce ?

This episode from Monday, April 20th, 2026, delves into a significant hack within decentralized finance (DeFi), specifically targeting the Kelp protocol, which resulted in the loss of approximately 292 million dollars. The incident has sent ripples through the entire DeFi ecosystem, with notable ramifications for Aave. The core of the issue lies with the Kelp protocol, which deals with liquid staking derivatives. Users deposit Ether (ETH) and receive rETH (or similar tokens like stETH), which represent their staked Ether and can be used as collateral in DeFi protocols. Kelp, in this instance, was offering rETH. The attacker exploited a vulnerability in Kelp's minting mechanism. Essentially, they were able to create large quantities of rETH without actually depositing the corresponding amount of Ether as collateral. This created "money out of thin air." These artificially minted rETH tokens were then deposited into Aave's V3 protocol as collateral. With this inflated collateral, the attacker was able to borrow significant amounts of real Ether and stablecoins. When Aave's system attempted to liquidate these positions due to the underlying collateral being worthless, it resulted in a substantial amount of "bad debt" on the platform. This bad debt, which is essentially unsecured borrowing, is then mutualized among all users of the protocol. While Aave has a safety module and a specific "Umbrella" mechanism for V3 designed to cover such losses, the total loss of approximately 292 million dollars far exceeds the coverage provided by these measures. The Umbrella is estimated to cover around 50 million dollars, leaving a significant shortfall. This shortfall is what has caused considerable concern and led to a panic withdrawal of liquidity from Aave and other DeFi protocols. Users rushed to withdraw their Ether, WETH, and stETH, and other assets, leading to a sharp increase in APYs for stablecoins like USDC and USDT, reaching around 15% as liquidity dried up. The incident has also had a direct impact on the Aave token itself, which saw a significant price drop of 20-25%, falling from around $115 to the $85-$90 range. The fear of contagion is a major concern, with the potential for this issue to spread across multiple protocols, creating a systemic risk similar to what is seen in traditional banking. The root cause of the exploit is believed to be related to the "Leaper Zero" infrastructure that Kelp was built upon, although there has been limited communication from that entity so far. Aave has released some communication, but it has been described as sporadic and solemn, offering little concrete information. The Ethereum Foundation has stepped in to help mitigate the situation by depositing nearly 50 million dollars in ETH into Aave. This deposit, combined with the existing safety module and Umbrella, suggests that the actual loss to Aave might be closer to around 100 million dollars rather than the full 292 million, though this remains to be fully confirmed. The immediate consequence of this exploit is that DeFi networks have been temporarily frozen or slowed down to prevent further exploitation while solutions are being developed. This has left some users unable to withdraw their assets, leading to anxiety and the fear of complete loss. There is ongoing discussion about how to handle the remaining losses, with some advocating for mutualizing the cost across all protocol users, while others argue that those who did not directly interact with the affected assets or protocols should not be held responsible. This situation may involve DAO votes to determine the resolution. Beyond the DeFi hack, the episode touches upon the broader context of artificial intelligence (AI) and its increasing presence. The speaker mentions the fears surrounding advanced AI models like Claude Mythos, which could potentially reveal numerous vulnerabilities. The recent increase in crypto hacks occurring after announcements related to AI is noted, with a reference to Elon Musk's Grok 5 potentially being a self-improving AI, likened to opening Pandora's Box. This underscores the importance of digital hygiene and the secure management of cryptocurrencies, especially as sophisticated AI could exploit even the smallest flaws in systems. The speaker also discusses the concept of self-custody for cryptocurrencies. While acknowledging that for many in developed nations with strong privacy and state protections, holding assets in traditional financial instruments like ETFs or even on centralized exchanges like Binance might seem sufficient, the speaker emphasizes that true self-custody through non-custodial wallets is the fundamental purpose of Bitcoin. This is particularly relevant for individuals in regions facing currency devaluation or political instability, where self-custody and control over one's assets are paramount. The technical analysis section briefly touches upon other market movements. US Oil and UK Oil are highlighted as variables to watch. The US stock market saw a strong close on Friday with the S&P 500 hitting an all-time high, but futures showed a slight dip. The situation in Hormuz is mentioned as a factor creating uncertainty. Gold is trading steadily around its 20-day moving average. The total crypto market capitalization is back at $2.5 trillion, failing to break the 20-day moving average at $2.6 trillion. Bitcoin is hovering around $78,000, with a return below $75,000. Ethereum touched its 200-day moving average from below at $2,450 and has since fallen back below $2,300. French stocks are awaiting market opening. In terms of altcoins, the DeFi sector has been heavily impacted. Pendle has seen a decline, and Aave's token experienced a significant drop. Injective is showing some short-term bounce, but overall, many altcoins are weakening. The speaker expresses hope that the recent market movements, including the S&P 500's rally, were not just a liquidity grab before a potential downturn. The ongoing geopolitical situation, particularly concerning Hormuz, is seen as a significant factor that could impact the traditional economy, despite current market speculation that it might not have lasting effects if resolved quickly. The speaker concludes by emphasizing the importance of caution and promises to provide real-time updates on the Aave situation and the broader DeFi and traditional finance markets.