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

The Protocol: Stripe’s Tempo Testnet Goes Live

Also: ZKSync Lite to Sunset, Blockstream App Update, Axelar’s AgentFlux

Contactless payment via a mobile phone (Jonas Lupe/Unsplash)

Tech

Most Influential: Rushi Manche

The Movement Labs’ co-founder’s secret dealings and subsequent scandal stoked industry-wide anxieties about opaque token allocations and insider trading.

Rush Manche

Tech

Helium Expands to Brazil With Mambo WiFi in DePIN Breakthrough

The partnership represents one of Helium’s most significant international expansions so far.

Several balloons float against the ceiling

Tech

ZKsync Lite to Shut Down in 2026 as Matter Labs Moves On

The company framed the move, happening in early 2026, as a planned sunset.

Sunset in San Salvador. Credit: Ricky Mejia, Unsplash

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Tech

Solana’s Drift Launches v3, With 10x Faster Trades

With v3, the team says that about 85% of market orders will fill in under half a second, and liquidity will deepen enough to bring slippage on larger trades down to around 0.02%.

Drift (b52_Tresa/Pixabay)

Tech

Axelar Unveils AgentFlux to Bring AI Agents OnChain, Without Cloud Risks

Developed by Interop Labs, AgentFlux lets financial firms deploy “agentic” automation without sending sensitive information to external infrastructure.

Axelar co-founder Sergey Gorbunov (Interop Labs)

Tech

Ethereum Activates Fusaka Upgrade, Aiming to Cut Node Costs, Speed Layer-2 Settlements

At the center of the upgrade is PeerDAS, a system that lets validators check small slices of data rather than entire “blobs,” reducing both costs and computational load for validators and layer-2 networks.

Ethereum Logo

Tech

Solana Mobile to Launch SKR Token in January With 10B Supply

Distribution is designed to go to the ecosystem, With 30% to airdrops, 25% to growth initiatives, and 10% for liquidity and launch support.

Solana Mobile's second generation phone Seeker (Solana Mobile)

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Tech

The Protocol: Ethereum Preps For Upcoming Fusaka Upgrade

Also: Anthropic On DeFi AI Agents, ETH Devs Push ZK Protocol, and Bitnomial

The forthcoming Ethereum upgrade, Fusaka, is partly named after Osaka, a city in Japan (Wikipedia)

Tech

Ethereum Developers Prep for Fusaka, Second Upgrade of 2025

The goal of the upgrade is to enable Ethereum to handle the large transaction throughput from the layer-2 chains that use the blockchain as their base layer.

Ethereum Logo