Security

Solana Proposes Retiring 'Durable Nonces' Following Drift Hack

Solana developers are proposing to deprecate 'durable nonces,' a transaction feature exploited in April 2026 during a hack of the decentralized exchange Drift. This move aims to enhance network security and shift signature verification directly into the protocol layer.

Monday, November 9, 2026SOL
Issue cover: Crypto Markets Under Pressure: ETF Outflows and Macro Uncertainty Weigh on Bitcoin and Ethereum
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Solana proposes deprecating 'durable nonces'.

The feature was exploited in April 2026 during a Drift hack, costing $270-285 million.

The goal is to enhance network security through on-chain alternatives.

The transition will require adjustments for custodians and exchanges.

Story

Solana developers are planning to deprecate 'durable nonces,' a transaction feature that allowed signed transactions to remain valid for weeks. This feature was exploited in April 2026, leading to a hack that drained an estimated $270 million to $285 million from the decentralized exchange Drift, representing over 50% of its total value locked at the time. The attack involved a six-month social engineering campaign targeting Drift's Security Council, followed by the execution of pre-signed transactions. The Solana Foundation plans to shift towards on-chain 'programmatic signer' alternatives to move signature verification and replay protection directly into the protocol layer. The aim is to preserve offline signing for custodians and exchanges while enhancing security. This move is a response to a critical vulnerability and is intended to strengthen the integrity of the Solana network, though it will require affected users to adapt their workflows.

Issue context

Crypto markets are starting the week under significant pressure, as global uncertainties and waning investor risk appetite lead to a broad sell-off. Bitcoin and Ethereum have seen notable declines, accompanied by massive liquidations in the derivatives market and persistent outflows from spot ETFs. These developments reflect a cautious stance among institutional investors and contribute to a prevailing climate of fear, confirmed by the Crypto Fear & Greed Index. Upcoming US inflation data could further influence market direction, while the industry also faces internal challenges such as security vulnerabilities and regulatory uncertainty.

Current market conditions are characterized by heightened uncertainty and volatility. The combination of macroeconomic factors, ETF outflows, and liquidation events suggests an environment where rapid price movements are possible. Pay attention to upcoming economic data and remain aware of the risks associated with leveraged positions.

Market pulse

Fear & Greed

28

Fear

BTC Funding

+0.0083%

20 perp markets · Open Interest $53.6B

BTC Open Interest

$53.6B

24h volume $64.2B · basis +0.059%

ETH Funding

-0.0021%

20 perp markets · Open Interest $31.7B

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This story is part of the Biturai Market Brief and is for informational purposes only. No investment advice.