Sam Kessler

Sam is CoinDesk's deputy managing editor for tech and protocols. His reporting is focused on decentralized technology, infrastructure and governance. Sam holds a computer science degree from Harvard University, where he led the Harvard Political Review. He has a background in the technology industry and owns some ETH and BTC. Sam was part of the team that won a 2023 Gerald Loeb Award for CoinDesk's coverage of Sam Bankman-Fried and the FTX collapse.

Sam Kessler

Latest from Sam Kessler


Tech

‘Sequencers’ Are Blockchain’s Air Traffic Control. Here’s Why They’re Misunderstood

Leading rollup operators are criticized for using "centralized sequencers" to package transactions and pass them down to Ethereum, but the real risks may lie elsewhere.

Air traffic controller (Beckett P/Unsplash, modified by CoinDesk)

Tech

‘Ethereum Supreme Court’ Mooted by Blockchain Executive as Alternative to ‘Code Is Law’

A proposal from Matter Labs co-founder Alex Gluchowski would see a “hierarchical system of on-chain courts” arbitrate on-chain disputes.

U.S. Supreme Court (Al Drago/Getty Images)

Policy

Sam Bankman-Fried's Complaints About Discovery Are 'Misleading,' DOJ Says

Prosecutors push back on the ex-FTX CEO’s claims that they’re dumping too many documents on him, responding that the evidence had been at his fingertips for months.

Sam Bankman-Fried outside a courthouse in July 2023. (Nikhilesh De/CoinDesk)

Policy

After GOP Debate, Blockchain Bettors See Ramaswamy as Most Formidable Trump Challenger

Betting lines didn’t change much as a result of Wednesday’s debate, but the Bitcoin-friendly entrepreneur has edged out Florida governor Ron DeSantis this past week in the GOP’s race for second place.

Vivek Ramaswamy co-founded Strive Asset Management (Frederick Munawa)

Tech

Curve Crisis Shows Pitfalls of Decentralized Risk Management

Top DeFi lenders allowed a crypto CEO to take a risky bet, raising key questions about how they manage risk.

Stani Kulechov, Lens founder, at Consensus 2019 (CoinDesk archive)

Policy

Sam Bankman-Fried Pleads Not Guilty to Latest Indictment

Bankman-Fried's attorney later deplored Bankman-Fried's lack of vegan options in prison, saying he was "subsisting on a diet of bread and water" during the hearing.

Sam Bankman-Fried outside a courthouse in July 2023. (Nikhilesh De/CoinDesk)

Tech

Sei, Blockchain Designed for Trading, Goes Live but 'Frustration' Mounts Over Airdrop

The buzzy blockchain project's SEI token saw a flurry of trading as it debuted on several crypto exchanges, but there was much confusion over the status of a promised token "airdrop" to early adopters of the network.

Sei Labs co-founder Jay Jog (CoinDesk TV)

Tech

VC Firm a16z Wades Into Crypto Tech Research with ZK Projects ‘Jolt’ and ‘Lasso’

A pair of open-source projects co-written by venture giant Andreessen Horowitz, known as a16z, aim to improve the performance of systems that use zero-knowledge technology – a cryptographic method used to scale blockchains.

Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California (Haotian Zheng/Unsplash)

Tech

Fireblocks Discloses ‘Zero Day’ Vulnerabilities Impacting Leading MPC Wallets

It’s unlikely users were impacted by the vulnerabilities – collectively referred to as “BitForge” – but Fireblocks says they could’ve let hackers “drain funds from the wallets of millions of retail and institutional customers in seconds” if left unfixed.

(Kevin Ku/Unsplash)

Tech

As Curve Averts DeFi Death Spiral, Fiasco Exposes Serious Risks

Curve, a leading decentralized exchange on Ethereum, was hacked for more than $70 million in July. Questions continue to linger around the platform's long-term viability and potential contagion risk.

It was almost a dead man's Curve. (Unsplash)