Margaux Nijkerk

Margaux is a DeFi reporter at CoinDesk, focusing on the rapidly evolving decentralized finance landscape with a particular emphasis on the Ethereum and Solana ecosystems. Prior to that, Margaux was on CoinDesk’s Tech & Protocols team covering the Ethereum protocol and L2s. A graduate of Johns Hopkins and Emory universities, she holds a master’s degree in International Affairs and Economics. She holds BTC and ETH above CoinDesk's disclosure threshold of $1,000.

Margaux Nijkerk

Latest from Margaux Nijkerk


Finance

Ethereum Foundation finalizes sale of 10,000 ether to BitMine as part of its treasury strategy

The latest transaction follows a similar March deal in which the foundation sold 5,000 ETH to BitMine, raising roughly $10.2 million.

Tom Lee Consensus Hong Kong 2026

Tech

The Protocol: Mythos forces crypto industry to rethink security practices

Also: Aave’s $300 million recovery effort, crypto for AI agents, and Bitcoin proposal for Satoshi-linked tokens.

A masked person holds a finger to their mouth. (Max Bender/Unsplash)

Tech

A crypto coalition releases technical proposal to save Aave users from a massive token exploit

DeFi United, a coalition of multiple blockchain projects and crypto ecosystem individuals, has laid out a detailed plan to restore the backing of rsETH after this month’s Kelp DAO hack sent shockwaves through lending markets.

(Element5/Unsplash)

Tech

Industry leaders are pouring hundreds of millions into a rescue plan for Aave users after massive crypto hack

The response to the DeFi recovery fund has quickly extended beyond Aave, and in some cases began with direct outreach.

DeFi community comes together to support AAVE users. (CoinDesk)

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Tech

Solana developers outline plan to protect network from quantum threats

Two of the network’s core developer teams, Anza and Jump Crypto’s Firedancer, have landed on the same solution: a new type of digital signature called Falcon.

Quantum Computing Optics (Ben Wicks/Unsplash)

Tech

How Anthropic’s Mythos model is forcing the crypto industry to rethink everything about security

DeFi leaders say that AI will arm both attackers and defenders, and widen the gap between projects that prioritize security and those that do not.

CEO and co-founder of Anthropic Dario Amodei (Getty Images)

Tech

Coinbase’s Jesse Pollak says AI agents are the next big wave for crypto payments

Pollak, who will be speaking at Consensus Miami 2026 next month, also sees the open-source protocol x402 as a key part of that wave.

Jesse Pollak (courtesy Winni Wintermeyer/Coinbase)

Tech

Inside the $71 million freeze on Arbitrum that has the crypto world questioning what decentralization really means

The emergency response prevented stolen funds from moving, but sparked debate over governance, control and the limits of decentralization on Layer 2s.

Freeze

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Tech

The Protocol: Kelp DAO exploited for $292 million

Also: DPRK hacking crypto, Aave contagion and Coinbase on quantum computing.

Silhouette image of a hooded figure behind three screens.  (geralt/Pixabay)

Tech

The $292 million Kelp DAO exploit shows why crypto bridges are still one of the industry's weakest links

The problem is structural and as long as bridges depend on complex systems with shared infrastructure and hidden trust assumptions, they will remain vulnerable.

lock-broken