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


Finance

Germany’s AllUnity expands EURAU to Solana as euro stablecoins gain traction

The firm's MiCA-compliant euro token aims to speed up euro transfers and support regulated onchain finance as the euro stablecoin market doubled since early 2025.

European Union Flag (Christian Lue / Unsplash / Modified by CoinDesk)

Markets

Bitcoin faces $80,000 resistance as derivatives show signs of risk aversion

Bitcoin faces profit-taking pressure near $80,000, backed up by a U.S. inflation report that comes as high oil prices and rising bond yields weigh on risk assets.

Oil refinery belching clouds of smoke into the air

Tech

Wasabi Protocol drained of $4.5 million in apparent admin key compromise

The exploit used a playbook similar to Drift's $285 million breach earlier this month: a compromised deployer key with no timelock or multisig that drained funds.

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

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Finance

XO Market bets on user-generated prediction markets to rival Polymarket and Kalshi

Backed by 20VC, Picus Capital and Coinbase Ventures; XO lets users create and profit from their own prediction markets, and plans to rollout a new vault product to democratize market making.

Ali Habbabeh and Walid Al Habboul, co-founders of XO Market.

Markets

Bitcoin's widely tracked Coinbase Premium turns negative as realized losses spike to $6 billion

A metric tracking U.S. spot demand has flipped red just as onchain data shows realized losses surging to $5.97 billion.

Stylized bitcoin logo

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)

Finance

Hyperliquid is preparing to take on Polymarket with a new way to trade real-world events

Hyperliquid is gearing up to challenge Polymarket with a zero-fee entry for event betting as the $63 billion prediction market sector continues to explode.

Hyperliquid founder Jeff Yan

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Finance

Visa expands stablecoin settlement network as volume hits $7 billion run rate

The payments giant added support for Stripe's Tempo, Circle's Arc, Coinbase's Base, Polygon and Canton Network as stablecoins gain traction in global money movement.

A Visa card being held to next to a payment terminal. (CardMapr.nl/Unsplash)

Markets

A tiny group is winning on Polymarket as under 1% of wallets take half the profits

After research showed a small minority moves prices, new data suggests an even smaller group captures roughly half of all gains.

(Julian Hochgesang/Unsplash)