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


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

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

Advertisement

Tech

Coinbase advisory board says quantum computing threat is on the horizon, crypto needs a plan

The 50-page paper concludes that while today’s blockchains remain secure, a future “fault-tolerant quantum computer” capable of breaking widely used encryption is increasingly plausible, and preparation must begin now.

Coinbase CEO, Brian Armstrong, at Consensus 2019 (CoinDesk)

Tech

North Korea’s crypto heist playbook is expanding and DeFi keeps getting hit

More than $500 million was siphoned across the Drift and Kelp exploits in just over two weeks. What once looked like isolated breaches now resembles a sustained campaign, likely driven by the financial needs of a sanctioned state.

hacker

Tech

Aave could face up to $230 million in losses after Kelp DAO bridge exploit triggers DeFi chaos

Aave published a report outlining two possible outcomes: around $123 million in losses if damage is shared across all rsETH, or up to $230 million if confined to Layer 2s, with the final impact depending on how Kelp DAO allocates the shortfall.

Hacker facing screens with lines of code (Boitumelo/Unsplash)

Tech

Kelp DAO claims LayerZero’s 'default' settings are what actually caused the massive $290 million disaster

The liquid restaking protocol said the compromised verifier was LayerZero's own infrastructure, and the setup it was faulted for running was LayerZero's onboarding default.

(Getty Images)

Advertisement

Tech

Ethereum co-founder Joseph Lubin warns of the dangers of AI being controlled by a few big tech firms

In an interview with CoinDesk, the Ethereum co-founder spoke also about Ethereum’s evolution through MetaMask, stablecoins and tokenization, while downplaying quantum computing as a long-term, manageable issue.

Sharplink CEO Joseph Chalom and Consensys CEO Joe Lubin speaking at Consensus Hong Kong 2026 (CoinDesk)

Tech

Sam Altman’s World project launches major upgrade to fight deepfakes and bots

The project is also expanding its partnerships with Tinder, Zoom and Docusign.

Worldcoin co-founders Alex Blania and Sam Altman (Marc Olivier/Worldcoin)