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A Turing Machine in Minecraft
23+ hour, 59+ min ago (370+ words) This is an English translation of my original article on Habr, originally published in Russian. A... Tagged with showdev, minecraft, computerscience, programming....
Both verifiers were honest, agreed with each other, and the signatures still failed
2+ day, 2+ hour ago (576+ words) Forty signed records stopped verifying. Two independent verifiers said so. Neither of them was wrong, and neither of them could tell me why. The recipe both tools implement is sha256(public_key || header). I checked it by hand against the code and against…...
Metrice: Zero-dependency post-quantum P2P mesh network
3+ day, 21+ hour ago (1149+ words) Metrice is a decentralized peer-to-peer (P2P) mesh networking protocol engineered with zero external npm dependencies (Zero-Dependency), running natively on Node.js core libraries (node:crypto, node:net, node:dgram, node:sqlite, node:dns). It features quantum-resistant cryptography (Post-Quantum Cryptography) and a…...
USDC Escrow for AI Agents: How Trustless Freelancing Actually Works
6+ day, 9+ hour ago (286+ words) Target audience: developers building autonomous AI agents that need to buy or sell services on‑chain. AI agents operate without a human in the loop, yet they still need to exchange value for work—whether that’s calling an external API,…...
When AI Agents Start Moving Money: Who Controls the Wallet?
1+ week, 3+ day ago (664+ words) AI agents are getting better at doing things on their own. They can search for information, call APIs, compare options, run workflows and make decisions without someone sitting there approving every step. But there is one step that makes all…...
Workshop: Gate Retrieved Context With a Cheap Scoring Pass in 70 Minutes
1+ week, 4+ day ago (803+ words) The schedule is a teaching box, not a production SLA, and it assumes one laptop plus one HTTP scoring endpoint. If the endpoint is slow, freeze Exercise 2 after five scored chunks and continue with the logged samples. Do not expand…...
A red gate and a silent one turned out to mean the same thing
1+ week, 4+ day ago (1328+ words) I wrote up an incident here a couple of days ago: CI on a Rust project I maintain showed red for weeks, and not one of those jobs had ever started. The cause was billing. The scheduler was refusing each…...
The Gate Rejected Nothing. So I Injected 40 Bugs to See If It Could.
2+ week, 3+ day ago (982+ words) An agent-patch gate that never rejects a patch is a hypothesis, not a control. You cannot measure what it catches until you give it something to catch. So I stopped trusting real patches and started manufacturing failures. The method that…...
Even Cloudflare Is Now Issuing Wallets to AI - The 'Spending Cap' Everyone's Racing to Build Is What Actually Makes AI Safe to Spend Money
2+ week, 5+ day ago (596+ words) Honestly, when I saw Cloudflare's announcement, my first reaction wasn't "oh cool, something new"—it was "there goes another giant company proving the thing I've been saying all along." On August 4, Cloudflare (yes, the infrastructure giant that blocks traffic and…...
Introducing Crypts and Commits
2+ week, 5+ day ago (1390+ words) The Audience I Didn't Know I Had — Part One There is a lot of conversation right now about one developer coordinating forty coding agents. I am not going to pretend I know whether that is good or bad. It is…...