Zooko Wilcox-O'Hearn

Zooko Wilcox-O'Hearn

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Freedom maximalist. Good vibes only.

Anonymous On-Chain Voting Decides Retroactive Zcash Grants
SocialMay 14, 2026

Anonymous On-Chain Voting Decides Retroactive Zcash Grants

Anonymous on-chain coin-weighted voting will be used to determine if these builders get retroactive grants for the work they've done to support Zcash: https://t.co/XMw4Se2Tia https://t.co/1Hw0zgFitN

By Zooko Wilcox-O'Hearn
Crosslink's One‑Job Roles Keep the System Honest
SocialMay 6, 2026

Crosslink's One‑Job Roles Keep the System Honest

Crosslink architecture in a nutshell: “YOU HAD ONE JOB” 1. Wallets: Protect your user. 2. Miners: Include transactions and make progress. 3. Finalizers: Enforce finality. 4. Stakers: Select good finalizers. 5. Users: Slash the stakers if they don’t do their job. ⤵️

By Zooko Wilcox-O'Hearn
Failure Fuels Status: Culture Drives Silicon Valley Innovation
SocialMay 4, 2026

Failure Fuels Status: Culture Drives Silicon Valley Innovation

Steve Jobs was really right (at the end of this clip): the secret sauce that made Silicon Valley — and other parts America — the innovation capital of the world is the culture. A good entrepreneurial failure is status-raising, not...

By Zooko Wilcox-O'Hearn
DoS
SocialMay 2, 2026

DoS

At this point, this guy is the best thing about Litecoin. Hm… Hey David, want to work on Zcash… uh… too? In your spare time? :-)

By Zooko Wilcox-O'Hearn
Welcoming Bitcoin Block Size War II, Watching From Sidelines
SocialMay 2, 2026

Welcoming Bitcoin Block Size War II, Watching From Sidelines

I, for one, welcome the start of Bitcoin Block Size War II. (Which, like Bitcoin Block Size War I, I will safely watch from the sidelines. 🤣)

By Zooko Wilcox-O'Hearn
Challenge AI: Hide Your Idea, Prompt Creative Solutions
SocialMay 1, 2026

Challenge AI: Hide Your Idea, Prompt Creative Solutions

I wonder if this technique will work next time to get an AI to come up with a really clever solution. Claim that you already know one but you won't tell him/her/it/br yet and challenge them to either guess it,...

By Zooko Wilcox-O'Hearn
Square Still Doesn’t Support Crypto Payments for Merchants
SocialApr 29, 2026

Square Still Doesn’t Support Crypto Payments for Merchants

I tried to get the owner of my local coffee shop to enable Bitcoin on his Square terminal (so I could pay him in Zcash), but he says Square hasn’t notified him about it by email and he doesn’t see...

By Zooko Wilcox-O'Hearn
AI Attempts to Convert Ubuntu's C Codebase to Rust
SocialApr 29, 2026

AI Attempts to Convert Ubuntu's C Codebase to Rust

Someone using AI to rewrite all the C code in Ubuntu into Rust: https://t.co/D9VvktEcz3 https://t.co/VmXbMlU3Hl

By Zooko Wilcox-O'Hearn
Zcash Allocates $1M in Bug Bounties for Security
SocialApr 28, 2026

Zcash Allocates $1M in Bug Bounties for Security

Zcash cybersecurity defenders never sleep. Zcash Community Grants Committee announces $1,000,000 worth of bug bounties: https://t.co/zk60sAFmlJ https://t.co/JgomZhw33E

By Zooko Wilcox-O'Hearn
Developer Requests 5‑level Page Tables From Apple
SocialApr 27, 2026

Developer Requests 5‑level Page Tables From Apple

Oh geez, can I please haz 5-level-page-tables, Apple? Pretty please. I promise I can do something cool with them. https://t.co/3WUawowOcr

By Zooko Wilcox-O'Hearn
Bailout and Trial Win Promise Broad Relief
SocialApr 27, 2026

Bailout and Trial Win Promise Broad Relief

rsETH bailout will help a lot of people who are financially exposed to it over the next few months. Roman Storm winning at trial will help every American—and therefore every human on earth—over the next few decades.

By Zooko Wilcox-O'Hearn
PoW Blockchains Repeatedly Vulnerable to Rollback Double-Spend Attacks
SocialApr 25, 2026

PoW Blockchains Repeatedly Vulnerable to Rollback Double-Spend Attacks

This isn't an isolated incident. There have been many of these rollback-and-double-spend attacks against Proof-of-Work-alone blockchains both years ago and recently, including recently against Monero and Grin.

By Zooko Wilcox-O'Hearn
Central Bankers Confront Zcash: Control versus Greater Good
SocialApr 25, 2026

Central Bankers Confront Zcash: Control versus Greater Good

One time I was invited to give a talk about Zcash to all the US/EU/ally central banks, and in Q&A someone asked: shouldn’t they control the currency of their people in a certain way for the greater good, and…

By Zooko Wilcox-O'Hearn
Zero‑knowledge Proofs and Zcash Crosslink Enable Safe Bridges
SocialApr 23, 2026

Zero‑knowledge Proofs and Zcash Crosslink Enable Safe Bridges

I'm not sure, but I *think* maybe cryptographic integrity proofs (also known as "zero-knowledge proofs"), plus irreversible finality such as provided by Zcash Crosslink (https://t.co/vzoeUWAt7k) could make blockchain bridges that are actually safe.

By Zooko Wilcox-O'Hearn
Zooko Wilcox-O'Hearn | Pulse