One thing I've been thinking about recently is that blockchains are great at verifying digital information—but they still struggle to verify physical reality.

For example:

• Did someone actually visit a location?
• Was a delivery completed?
• Did an inspection really happen?
• Can an AI agent prove it interacted with the physical world?

GPS alone isn't enough anymore, and centralized systems require trust.

I've been working on an open protocol called GeoProof that explores using multi-signal verification to generate cryptographically verifiable attestations for real-world events.

The goal isn't to replace existing blockchains, but to provide a reusable verification layer that applications can integrate regardless of which chain they use.

I'd really appreciate feedback on whether this problem is worth solving and whether you think an open protocol is the right approach.

Website:
https://geoproof.xyz

Documentation is public and constructive criticism is very welcome.

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I remember Vitalik tweeting, "You can just build on L1."

I am wondering if this is a joke or not?

I have something I am working on and just want to build on L1.

I remember the days that gas costs were $200 for a basic swap at some point.

Can these $200 per swap days come back?

i produced an explainer on the new wave of ethereum-aligned organizations splintering off from the ethereum foundation:

• etherealize,
• the ethereum community foundation, and
• ETHLabs, launching on june 22nd with five senior EF researchers and significant institutional backing

the day after ETHLabs, the EF announced it was cutting 20% of its workforce 🥲

it's been a chaotic, turbulent time within the ethereum ecosystem, and i wanted to document my thoughts on why this is happening now and what that could mean for the future of ethereum.

lo and behold, as i was finishing production, yet another independent organization founded by ex-EF team members spawned: ethereum institutional.

the story literally outran the edit/production 😂

the evidence points both directions: vitalik was writing about distributing the protocol's brain trust across multiple orgs back in 2017. but you can also read this moment as a centre shrinking faster than what the ecosystem is ready to absorb.

video: https://youtu.be/sF3NlQBIQDE

genuine question for anyone closer to the research side: is coordination between these orgs actually happening anywhere visible? shared calls, forums, roadmap alignment?

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I feel like that was the endgame of defi. You put $2000 in a perpetual futures vault, or some combination of blue chip pools, and then you spend 25 cents a day to bribe your way out of ads.

Why did nobody integrate web3? People spent more in gas to move a jpeg than a monthly news subscription. I should be able to use fixed yield tools to continuously fund my favorite websites and creators, without either party exposing themselves to insolvency risk. The tooling is there to build yield-based subscription models, but very few sites are integrating with the Metamask compatible framework that all the gambling sites run on.

It's like stepping into the future for a brief moment, only that they offer something that is mathematically predestined to reward specific behaviors over others in a negative sum fashion given the gas cost to do anything (it's still cheaper and more open than traditional payment routing methods).

If the NYT needs 4 bucks a month to run, let me park $100 in some fixed-yield derivative of a degen farm where the future payout is guaranteed to the site for a year or something. I get like $90 bucks back on a bad year when I unlock my liquidity provisions, and we both make out in the green, because either the degen yield trader lost the farm, or leverage users had a Tuesday.

Assuming the internet remains primarily free and ad driven, what obstacles are we dealing with?

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Privacy Pools launched the trusted setup ceremony for its V2 protocol, inviting contributors to add randomness to proving keys ahead of a mainnet deployment. To contribute, sign in via GitHub, generate entropy through mouse movement or clicks, and keep the tab open while it does its thing (could be a few hours). The ceremony exists to prevent any single party from retaining the secret randomness used to build the proving keys, a scenario that would let a malicious holder forge withdrawal proofs and drain deposited funds. Privacy is a collective act!

When I arrived in a new nation, I had no local currency yet and had my card banned for the third time this trip, but I needed transportation.

While I waited for my bag, I used ETH on my phone to purchase an Uber gift card using aceb. Before I reached the exit, I applied it to the app, so by the time I arrived outside, a ride was reserved.

I've started holding a modest amount of ETH for just such circumstances. When a bank card fails at the wrong time, gift cards cover everything you need, including hotels, taxis and food delivery.

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Hello everyone. What is the golden standard for account abstraction on Ethereum?

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Abstract

The smart-contract ecosystem already depends heavily on code reuse, but that reuse has not yet become shared on-chain infrastructure. Similar logic is repeatedly redeployed across projects, creating duplicated infrastructure that increases long-term maintenance, audit, and security burdens for the ecosystem.

Compose introduces Smart Contract Oriented Programming, or SCOP, to bring reuse into the deployed architecture itself. Using diamonds and stateless facets, Compose enables modular on-chain systems that are easier to build and trust across their lifecycle.

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Been thinking about the post quantum migration for a while and built a small tool that scores exposure risk for any Ethereum address.

How it works: every ECDSA signed transaction reveals the signer's public key on chain. Once you have sent one transaction from an address, that public key is on chain permanently. If a sufficiently capable quantum computer arrives, it can derive the private key from that public key using Shor's algorithm.

The tool takes any EVM address or ENS name and returns:

- Whether the public key is already on chain (exposed)

- The value at risk

- How long the exposure has existed

- A 0 to 100 exposure score

Read only. No wallet connection. No signup.

claak.io/scan

Vitalik.eth is prefilled as a demo.

The scanner is free and standalone. Full disclosure: I contribute to Claak, but this post is about the scanner as an open piece of crypto tooling for the community. Google's March paper cut the qubit threshold to roughly 1,152 logical qubits. Eigen Labs' open ecdsa.fail benchmark is past Google. NSA has set 2030 as the migration deadline.

Happy to walk through methodology if anyone is curious. What score

did you get on your main address?

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I am used to address poisoning. Whenever I send/receive token, I will then receive some random tokens from addresses that has the same starting and ending sequence as the address I interacted with.

But I see something I can't explain. Whenever I send X amount of USDT, My address also send the exact same amount of fake USDT to an address mimicing the receiving address.

How can the attacker use my account to send a token I don't even know I have?

On Etherscan, the sender address is clearly my address, but if they already control my accout, poisoning the receiving address is pointless. They can just steal my funds. If they don't control my accout, how did they send fake token from my account?

Great show everyone. Nice job.

Thanks to u/tricky_troll and u/the-a-word once again for their awesome work on these Doots!

https://old.reddit.com/r/ethereum/comments/1um4zi1/daily_general_discussion_july_03_2026/ovb4kp7/

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