Drift Protocol Loses $280M in Solana Exploit, Circle Criticized

- Drift Protocol loses $280 million in exploit targeting Solana's durable nonce - Circle criticized for delayed response in freezing stolen USDC On April 2, 2026 (UTC), the Solana-based decentralized exchange (DEX) Drift Protocol confirmed a $280 million loss resulting from a sophisticated exploit targeting its governance and operational processes. On April 2, CoinDesk reported that attackers leveraged Solana's "durable nonce" mechanism to seize control. This blockchain feature allows for pre-signed transactions, which the attackers reportedly used to gain administrative access and drain funds from the protocol. Several reports indicate that the attackers spent weeks orchestrating the breach by manipulating governance and transaction signing procedures rather than exploiting a smart contract vulnerability. The attackers may have used social engineering tactics to mislead signers of a multisignature wallet. After compromising administrative control, they modified withdrawal limits and siphoned funds from both Drift's protocol wallets and insurance reserves. In response, the platform suspended all deposits and withdrawals. The attack has also sparked criticism of Circle, the issuer of the USDC stablecoin, as attackers converted a considerable portion of the stolen funds into USDC and bridged them to the Ethereum blockchain. Consequently, on-chain investigators and crypto community members have questioned Circle's decision not to freeze the stolen funds during the attack. Critics highlight that the transfers occurred during U.S. business hours, arguing Circle had ample opportunity to intervene. This scrutiny was amplified by comparisons to a prior case where Circle quickly froze USDC assets under different circumstances. The disparity has ignited debates over the consistency of Circle’s asset-freezing policies and the broader role of centralized oversight in blockchain security. The exploit underscores significant vulnerabilities in decentralized governance structures. It also raises industry-wide questions about how to balance decentralization with centralized intervention during critical emergencies. As of 12:08 UTC on April 2, Solana (SOL) was trading at $78.323, a 5.943% decrease in 24-hour trading volume, according to market data. Meanwhile, USDC remained trading at $1, recording a 0.015% increase in the same period.