@phipsae
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Teaching agents how to use and build on Ethereum @ethereumfndn | @buidlguidl
Joined January 2013
- Tweets365
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Philip retweeted
let's talk about this @Infineon OPTIGA Trust M chip
it signs with a key that can't leave the chip
and that signature has a cert chain back to Infineon
so you can prove, onchain, that someone signed with
an actual hardware chip and not emulation...
Philip retweeted
we will finally kill "stack too deep"
the next @ethereum update brings both:
1) the ability to deploy larger contracts
2) lets compilers fix "stack too deep"
eth dev is going to rip in Q4
Most agent wallets keep a key where the agent can reach it. One convincing message, and it’s gone.
Ours never leaves the hardware. The agent holds no signing tool at all, so there is nothing to jailbreak.
Stake. Launch. Trade. Securely.
Fathom is coming soon…
Philip retweeted
👀 onedollaraudit.com just hit job #700 🫡🎉🛡️
Philip retweeted
The Ethereum Foundation’s Trillion Dollar Security initiative has allocated a grant to support @FreedomofPress’s continued development of WEBCAT, with the goal of bringing front-end verification to Ethereum wallets and apps.
Learn more ↓
blog.ethereum.org/2026/08/05…
Philip retweeted
That's a wrap on AI Agents Summit 2026 🇩🇪🏛️
780+ registrations, 200+ builders in the room across two venues, 25 speakers, 4 panels — one thesis: From chatbots to autonomous economies. 2026 is the year of agents 🚀
Huge thanks to every speaker, our partners @circle @ethereumfndn @bondoncredit @Corkprotocol @softstackHQ @Cloudflare @ChainforGood and the awesome Spielfeld team!
Official recap video is now live: youtube.com/watch?v=RdDbqa-R…
Philip retweeted
A guide to changing the transaction signing experience from “sign some bytes and pray to all the gods”, through “sign some inputs and hope for correct outcomes”, all the way to “sign desired outcomes and sleep easy”.
Mirror: forshtat.com/posts/trustless…
Philip retweeted
Your AI agent doesn't need your private keys.
I made request-wallet-sign. Your agent runs one npx command and the transaction it built pops up in your browser for your own wallet to sign.
Here's Claude squeezing my 3-transaction Instadapp deposit into one. I just hit confirm.
Philip retweeted
You have no idea what Claude Code actually does between your prompt and its answer.
I didn't either. So I built ccexplorer: a DevTools-style timeline of your whole session. Every tool call, every subagent, token counts, compactions.
Try it: npx ccexplorer
Philip retweeted
this weekend I went deep down an agent/ai eval rabbit hole…
specifically, how do we eval LLMs for entertainment?
factorio seems like a fun environment to try this in.
@clawdbotatg did deep research and built out some prototypes.
he found this specific user that was doing it…
this guy @BigSky_7 was doing something called claudetorio earlier this year
it was exactly the kind of thing i was thinking: do live streams where ai agents (and new models just released) compete to play factorio against human and ai benchmarks
neat! im going to cold dm this dude…
oh wait! what?? we have a dm history going back 6 years to the eth.build days and he is also doing zk stuff!?!
small world man, so cool!
🫡 check yer dms @BigSky_7 🫡
Philip retweeted
Using a crypto wallet safely shouldn't require a 10-hour opsec course.
For most people, it still kind of does.
So I built this tool. Map your wallets, answer a few questions, get a security score out of 0-100. The score is nice. The point is seeing where your setup is weak.
Philip retweeted
👏 releasing: the one dollar audit
🤖 an AI security review of your smart contract
💸 pay 1 USDC
🦾 agents can pay with x402 native
⛓️ reviews live on ERC-8004
🫡 serious security review. unserious price. 💵
Philip retweeted
Just finished benchmarking Sonnet 5 on its ability to find vulnerabilities in smart contracts.
But now I only have 19% of my token budget left until it resets next Monday.
Was it worth it? idk
Results coming soon
Philip retweeted
👀 @clawdbotatg just one-shot "clear signing" into slop computer
🫡 it's really that easy with @SourcifyEth's lib + the EF registry
👉 your dapp/wallet should too: clearsigning.org/build
Philip retweeted
1/ When you open your wallet, check your balance, or pay a friend, it feels unobserved. But what your wallet gives away may tell a different story.
New article from @escottalexander looks at why the layer that sees everything is also the layer that can protect everything ↓
Great chat with @sick_nerdballer on AI security, wallet guardrails, and what needs to be solved before agents can safely operate onchain. Thanks for having me @ConsensysAudits!
Trustless agents standard and agent economy: a fireside chat with @phipsae from the @ethereumfndn dev/acc team and @sick_nerdballer at @BerBlockWeek.
"We're building agentic commerce and hitting the limits in real time. The hard part is guardrails - especially around wallets - to prevent bad delegation and fund loss."
Philip retweeted
I benchmarked 6 popular AI Agent "skills" for auditing smart contracts. 816 audits later, the result is...
not what I expected: none of them beat just asking the model to find bugs.
Six things the data actually showed 🧵
Philip retweeted
1/ Every product makes promises.
Most are only as good as the operator or platform behind them, and those can fail or pull the plug.
@phipsae's article covers how Ethereum’s core properties and agent economy come together to make it home for software no one can shut down 🧵
Philip retweeted
Last weekend @BerBlockWeek wrapped up — and we closed it with one final push: the AI Agents Hackathon by @AIAgentsSummit (hosting the second hackathon in two weeks😅)
A fitting way to end a packed week with some building
How it went 🧵 – at Berlin, Germany
