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


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Binance.US Accused of Misleading Investors in Class-Action Lawsuit Over Terra

More than 2,000 investors are a part of the class-action lawsuit.

Credit: Shutterstock

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Jack Dorsey’s TBD Announces Web 3 Competitor: Web5

The Block subsidiary’s alternative ditches Web 3 and places bitcoin at the forefront. But there is no official release date, as yet.

Block TBD lead Mike Brock (left) at Consensus 2022 (Brad Keoun/CoinDesk)

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Optimism Attacker Returns 17M Stolen OP Tokens

The attacker was rewarded with 2 million of the tokens as a bounty.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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L'attaccante Optimism restituisce 17 milioni di gettoni OP rubati

L'attaccante è stato ricompensato con 2 milioni di gettoni come taglia.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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Зловмисник Optimism повертає 17 мільйонів вкрадених токенів OP

Зловмисник отримав 2 мільйони жетонів як винагороду.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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El atacante del Optimism devuelve 17 millones de tokens OP robados

El atacante fue recompensado con 2 millones de tokens como recompensa.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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Atacante de Optimism devolve 17 milhões de tokens OP roubados

O invasor foi recompensado com 2 milhões de tokens como recompensa.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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L'attaquant Optimism renvoie 17 millions de jetons OP volés

L'attaquant a été récompensé par 2 millions de jetons à titre de prime.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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Злоумышленник Optimism вернул 17 миллионов украденных токенов OP

Злоумышленник был вознагражден 2 миллионами токенов в качестве награды.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)

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Ang Optimism Attacker ay Nagbabalik ng 17M Stolen OP Token

Ang umaatake ay ginantimpalaan ng 2 milyon ng mga token bilang isang bounty.

The Optimism attacker has returned most of the OP tokens they took. (Christian Dubovan/Unsplash)