Sheldon Reback

Sheldon Reback is CoinDesk editorial's Regional Head of Europe. Before joining the company, he spent 26 years as an editor at Bloomberg News, where he worked on beats as diverse as stock markets and the retail industry as well as covering the dot-com bubble and collapse. He managed the Bloomberg Terminal's main news page and worked on a global project to produce short, chart-based stories across the newsroom. Before that, he worked for a number of technology magazines in Hong Kong. Sheldon has a degree in industrial chemistry and an MBA. He owns ether and bitcoin below CoinDesk's notifiable limit.

Sheldon Reback

Latest from Sheldon Reback


Markets

How STRC lost its par: The timeline behind Strategy's preferred-stock meltdown

From a bond buyback and dwindling cash reserves to a bitcoin bear market, the sequence of events that turned STRC's par-value challenge into a marketwide debate.

Strategy Executive Chairman Michael Saylor at the Digital Asset Summit in New York City on March 20, 2025. (Nikhilesh De)

Finance

GoMining challenges Jack Dorsey's Square with payments system designed around bitcoin

GoMining unveiled a software development kit and programmable access for its bitcoin payment protocol GoBTC Pay, allowing merchants to accept BTC for everyday purchases.

Mark Zalan, GoMining CEO (CoinDesk)

Markets

Smart-contract and DeFi coins lead losses as bitcoin wilts for 4th straight day

Concerns about STRC, the dividend-paying preferred stock from Strategy continue to dominate market sentiment.

A trader sits in front of multiple screens holding his head. (Unsplash+/Getty Images)

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Tech

Microsoft found malware that hijacks crypto wallets and spreads through USB sticks

The software intercepts shortcut files and directs them to install a worm that harvests private keys from the Windows clipboard and inserts its own destination wallet addresses when it detects a transfer.

A USB flash drive inserted into a laptop.

Markets

Live markets: Bitcoin under pressure as Saylor comments on STRC selloff

About 20% of miners are now unprofitable, and publicly traded miners sold more than 32,000 bitcoin in the first quarter to cover operating costs, more than they offloaded in all of 2025.

Strategy Executive Chairman Michael Saylor at the Digital Asset Summit in New York City on March 20, 2025. (Nikhilesh De)

Tech

Algorand unveils roadmap to achieve quantum resistance by 2028

The announcement reflects a crypto's growing recognition that adopting quantum-resistant cryptography could take years, requiring changes not only to user wallets but also to core protocol infrastructure.

A perspex cube appears to radiate light across a surface designed with squares. (David Clode/Unsplash)

Finance

Alchemy's AI-driven identity and payment service gains access to Visa network

The AgentCard integration with Visa Intelligent Commerce allows AI agents built on models from any provider, including OpenAI or Anthropic, to effect commercial transactions.

Close up of Visa logo on a payment card.

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Markets

The great rotation: Investors desert the Magnificent 7, crypto for AI bottlenecks

Capital is flowing out of the largest tech companies and bitcoin as investors pile into semiconductors, memory stocks and space-related opportunities.

Two people work on a shares paper document placed between two laptops.