Welcome to OpenBuild Dev Digest #107!
This week we cover market competition, institutional adjustment and the resurgence of privacy narratives. The AI inference business has split into distinct spheres of influence: large cloud providers dominate enterprise demand while decentralized networks capture the open frontier, turning inference into a major profit center. The Ethereum Foundation completes a months-long reorganization, laying off 20% of its workforce (54 employees) to streamline operations and focus resources on core protocol upgrades. Helius re-examines crypto’s original mission, arguing that on-chain opacity and protection against mass surveillance have become essential public demands once again.
📅 July 27 - August 13 📍 Online 💸 5,000USD Apply
Most agent hackathons reward reasoning: an agent that decides something clever. The harder problem is what happens next. Agents can detect and decide, but they all hit the same wall when they need to move value onchain. Failed transactions, gas spikes, MEV, no observability, no guarantees.
KeeperHub is the execution and reliability layer that fills it: the last mile between what your agent decides and a transaction that acts onchain. This hackathon is about what you build on top of that.
We reward agents that execute onchain, a working transaction that executes through KeeperHub beats a polished demo that never touches a chain, make sure to build something that runs.
📅 June 22 - July 30 📍Online 💸 15,000USD Apply
Crypto has the infrastructure. It just doesn’t use it.
UXmaxx is the hackathon to close this gap.
With over $15,000 in prizes, we’re bringing together the top teams making crypto infrastructure invisible: Particle Network, Arbitrum, Magic, ZeroDev, and Openfort. Using their tools, your job will be to ship the apps that prove crypto can finally be about the FEEL.
📅 June 15 - June 30 📍 Online 💸 2,500USD Apply
This hackathon is wide open: build anything you want with zero-knowledge on Stellar. Privacy pools, private payments, confidential tokens, identity and compliance proofs, provable computation, verifiable data — if it uses ZK and runs on Stellar, it counts. You can go anywhere on the spectrum from mild (a clean proof-of-concept verifier) to wild (a full shielded payment app).
✍️ The AI Inference Market: A Global Strategy Game 👉Read(EN)
The inference market now looks less like one cloud market and more like a “Risk” board. Every provider is trying to control a different territory: hyperscalers own the enterprise continents, routers control the trade routes, and decentralised networks are fighting for the open frontier
The last AI cycle was about model training, but it’s becoming increasingly apparent that there’s huge economic upside with inference.
✍️ The EF’s new structure 👉Read(EN)
Today, the EF is changing shape, concluding a months-long process of reorganization as part of the implementation of the Mandate and the Treasury Management Policy.
We come out of this process with the structure, activities, and people necessary for execution on the critical tasks ahead of us, but also with 54 fewer colleagues, roughly 20% of the EF, many of whom will be finding ways to contribute to Ethereum from outside the EF in the coming weeks.
This post provides a brief introduction to the new structure and details on how we are supporting the people who are leaving.
✍️ Reclaiming Opacity: The Imperative for Privacy in Crypto 👉Read(EN)
If crypto was meant to liberate us, why has it turned into another tool of surveillance? Why are we freely and willingly exposing every aspect of our lives to the very system we seek to usurp?
Is there no value in privacy anymore?
Privacy is not the absence of data. Rather, it is the refusal of capture. The only true path of refusal in this digital age is to reclaim opacity, to reclaim the right to exist outside the algorithmic gaze. The right to live unindexed, beyond the machine, is of paramount importance and seems to have been forgotten in the quest to popularize crypto. We must fight to rebuild crypto’s purpose, and opacity is the most radical form of resistance.
To start this process of resistance, we need to overcome our neoliberal inclinations.
💸 Livepeer
Maximum Bounty $40,000 👉 Apply
Livepeer is a decentralized video streaming network built on the Ethereum blockchain. The Livepeer network already includes over 70,000 GPUs, which is enough aggregated power to encode all of the video streaming through Twitch, YouTube and Facebook combined.
💸 KAST
Maximum Bounty $50,000 👉 Apply
KAST is a stablecoin-powered financial platform that gives you global access to your money — to hold, send, and spend instantly, anywhere. Built for people who live, work, and earn beyond one country, KAST delivers real financial freedom without the need for a traditional bank.
💸 Twyne
Maximum Bounty $50,000 👉 Apply
Twyne is a modular risk layer that leverages credit-delegation to unlock new levels of capital efficiency in lending markets. Twyne empowers lending market users with the freedom to focus on their individual goals: lenders can re-lend, borrowers can re-borrow, and together they drive the emergence of new markets, ensuring capital flows to where it is needed most.
Selected open courses from technical skills to practical tasks, accessible to everyone with no cost!
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