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Doppler Doppler
19.04.2022

Latent Bugs in Billion-Plus Dollar Code

Attack vectors (and their combinations) over xSushi-like staking, ERC777 tokens

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15.04.2022

Mass Disclosure of Griefing Vulnerabilities

Issuing warnings to 100 vulnerable accounts via Etherscan chat

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02.04.2022

Rari Capital Vulnerability

Multi-hundred million attack prevented

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21.03.2022

Elipmoc: Advanced Decompilation of Ethereum Smart Contracts

Technical paper on the algorithms and techniques employed in the most recent version of our EVM bytecode decompiler/lifter.

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20.01.2022

Phantom Functions and the Billion-Dollar No-Op

Largest crypto hack prevented?

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05.12.2021

A Six-Year-Old Solc Riddle

In mid-October, we received a request to work on a project unlike any we've had before.

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12.11.2021

Harvest Finance Vulnerability, $200K Bounty

We disclosed a critical vulnerability to Harvest Finance, through Immunefi. The vulnerability concerns a proxy pattern and was discovered via an interesting automated analysis.

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28.10.2021

Symbolic Value-Flow Static Analysis of Ethereum Smart Contracts

A technical paper describing our most recent analysis technology, responsible for 7 major vulnerabilities detected in-the-wild.

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10.08.2021

Verkle tree gas metering impact

We were commissioned by the Ethereum Foundation to study the impact of a new gas cost model, based on Verkle tree access costs.

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27.05.2021

EIP-3074 Impact Study

We were commissioned by the Ethereum Foundation to do a study of the impact of EIP-3074 (AUTH and AUTHCALL) on existing contracts.

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