Fredrik Profile
Fredrik

@fredrik0x

Followers
2K
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Statuses
152

I work for @Ethereum at the @Ethereumfndn doing Protocol Security Research

Joined May 2021
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@fredrik0x
Fredrik
4 days
Want to build AI tooling to help secure the Ethereum Protocol? We have an RFP out for exactly this!
@EF_ESP
EF Ecosystem Support Program
5 days
1/ ๐Ÿค– Can AI make Ethereum safer? We're exploring how LLMs can automate auditing, specification compliance, and code analyses in our RFP: โšก๏ธ Integrating LLMs into Ethereum Protocol Security Research โšก๏ธ Dive deeper and apply by February 3, 2026 ๐Ÿ‘‡ https://t.co/uu772K4xYQ
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@hexensio
hexens
12 days
We are launching the Glider Contest! backed by @ethereumfndn.
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@blockthreat_2da
BlockThreat Today
1 month
After many months of research and development, Iโ€™m thrilled to share that BlockThreat Today is now live! Without constant reminders of the pain caused by past incidents, their root causes, and the lessons they taught us, we risk making the same mistakes again and again.
@blockthreat_2da
BlockThreat Today
1 month
Oct 16 2024: Radiant Capital suffered a sophisticated $58M exploit across multiple chains. North Korean threat actors compromised machines of at least three multisig signers, enabling them to push malicious contract upgrades that swiftly drained all stored funds.
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@summit_defi
Defi Security Summit
1 month
@MushowUK, protocol security researcher at the @EthereumFndn will present Ethereum Protocol Security 101.
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@polymutex
polymutex
2 months
๐Ÿšข Walletbeat worklog 2025-09-30 Implemented support for @0xbowio ๐—ฃ๐—ฟ๐—ถ๐˜ƒ๐—ฎ๐—ฐ๐˜† ๐—ฃ๐—ผ๐—ผ๐—น๐˜€ in the "Private transfer" attribute. PR #266. This means wallets that integrate Privacy Pools will be recognized as supporting private transfers.
@polymutex
polymutex
2 months
๐Ÿšข Walletbeat worklog 2025-09-29 1. Revamped fee transparency attribute to be more objective. It used to be based on vague info ("are fees detailed?"). Now based on what info is displayed by default & up to one click away. PR #265 2. Merged initial software wallet stage 2 ladder.
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@fredrik0x
Fredrik
2 months
Can run as a GitHub Application, connect to message queues, and more. Basic prompts included. Note: Extremely aware that this tool is Far from perfect, and that there are multiple ways to improve and expand on it (Please do! PRs are welcome!). :) Repo:
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github.com
Ethereum Protocol Security Review Assistant. Contribute to protocol-security/ethereum-code-reviewer development by creating an account on GitHub.
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@fredrik0x
Fredrik
2 months
Supports external context feeding
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@fredrik0x
Fredrik
2 months
Weighted Multi Judging
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@fredrik0x
Fredrik
2 months
Web GUI (and non-web GUI) for continuous monitoring of repositories with persistent database, user management system, google sign in, email and telegram alerts for new findings
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@fredrik0x
Fredrik
2 months
Can run directly against a PR, Commit or File via Docker / CLI
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@fredrik0x
Fredrik
2 months
Can run as a GitHub Action:
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@fredrik0x
Fredrik
2 months
"ECR" is an open source LLM tool that can help review changes in code. Using a combination of relevant prompt engineering, additional context (specs, previously found vulns), and multi judging, the F/P rate has been quite low. Source code and feats. below.
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@fredrik0x
Fredrik
2 months
Weighted Multi Judging
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@fredrik0x
Fredrik
2 months
Web GUI (and non-web GUI) for continuous monitoring of repositories with persistent database, user management system, google sign in, email and telegram alerts for new findings
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@fredrik0x
Fredrik
2 months
Can run directly against a PR, Commit or File via Docker / CLI
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@fredrik0x
Fredrik
2 months
Can run as a GitHub Action: https://t.co/x6sCNKNExv
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@fredrik0x
Fredrik
2 months
Coordinator for the Trillion Dollar Security initiative: https://t.co/tSsKFD3Nmg 2/3
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@fredrik0x
Fredrik
2 months
Trillion Dollar Security is coming to Devconnect!
@TheSecureum
SฮžCURฮžUM
2 months
๐ŸŽ‰ "Trillion Dollar Security" at Secureum TrustX When: 22nd November, 2025 Where: Devconnect ARG, La Rural, Buenos Aires Who: Invited Projects in Ethereum Security Ecosystem What: Roundtable (Invite-only) + Report-out (Open to all Devconnect Attendees) ๐Ÿงต๐Ÿ‘‡
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@fredrik0x
Fredrik
2 months
To read more about the contest, head over to: https://t.co/4MfkvFUo8X Happy bug hunting! 2/2
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blog.ethereum.org
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