Base MCP: The Secure Gateway That Turns Your AI Agent into a Real Onchain Actor
Base just shipped Base MCP — a major step toward the agentic economy. It connects your Base Account directly to AI interfaces (Claude, ChatGPT, Cursor…
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Arc 7 Catch-Up: Building NFTs from First Principles
Arc 7 of 100 Days of Solana was about building NFTs from first principles. Instead of starting with marketplaces, profile pictures, or NFT culture, th…
How Solana's Account Model Differs from Ethereum — and Why It Matters for DeFi Developers
If you've built on Ethereum and you're now exploring Solana, the first thing that will trip you up isn't the language (Rust takes getting used to, but…
Pectra & Fusaka Ethereum Upgrade MEV Impact 2026: Searcher Adaptation Guide
Answer first — Pectra and Fusaka are the two Ethereum hard fork upgrades shaping MEV in 2026. Pectra activated in 2025 with three MEV-relevant EIPs: E…
LRT Arbitrage 2026: eETH, ezETH, rsETH Searcher Playbook
Answer first — LRT (Liquid Restaking Token) arbitrage in 2026 captures spreads between LRTs like weETH, ezETH, rsETH, pufETH and their underlying ETH/…
What Is x402? The HTTP Payment Standard Built for AI Agents, Explained
TL;DR: x402 is an open standard that lets software, including AI agents, pay for APIs, data, and services directly over HTTP using stablecoins, with n…
ShadowFeed Weekly #1: IronWorm npm Attack, $36M Humanity Protocol Hack, Microsoft Repos Compromised
ShadowFeed Weekly #1 | Web3 Security Intelligence June 5 — June 11, 2026 ShadowFeed is a real-time Web3 security intelligence service for developers a…
Auditing a Contract With No Source Code: Reading EVM Bytecode
You found a contract holding $4M. Etherscan shows the balance, the transactions, the token transfers. What it does not show is a single line of source…
Creating a MiniDex
┌──────────────────────┐ │ MiniDEXFactory │ └──────────┬───────────┘ │ createPair(tokenA, tokenB) via Yul CREATE2 │ ▼ ┌──────────────────────┐ │ MiniD…
Payment rails are winning the agent economy. A trade needs something a rail can't do.
A widely cited number in agent infrastructure right now comes from Crossmint's protocol data: x402 has processed 150M+ transactions across Base and So…
We built x402 middleware before the hyperscalers fragmented the standard
In April 2026, the Linux Foundation made x402 a public standard — backed by Coinbase, Google, AWS, Stripe, Visa, Cloudflare. Two months later, the fac…
We Replayed the Nomad Hack. Our Tool Fired at Block 15259101 Zero Minutes In.
In August 2022, the Nomad bridge was drained of $190 million over eight hours. The on-chain signal was there from the very first transaction. Nobody c…
How to Build Your Own Polymarket
What it takes to build a prediction market platform like Polymarket in 2026, why you can't just fork it, and how to ship one on Base with an onchain C…
Proof of Compute: The Receipt Is Not the Benchmark
Proof of Compute Disclosure: AI tools were used for source collection and editorial review. The article was written by a human author, who checked the…
Building a Solana Risk Engine: From Mock Data to Mainnet
When I started building NexusVeritas, I made a mistake that many developers make. I spent far too much time on architecture, specifications, documenta…
How Solana Wallets Work: Private Keys, Public Keys, and Security
A Solana wallet is built around a cryptographic keypair: a private key and a public key. The private key proves ownership and signs transactions, whil…
Model Weight Registry: The Name Is Not the Model
Model Weight Registry Disclosure: AI tools were used for source collection and editorial review. The article was written by a human author, who checke…
Five Months, 110,000 Lines of Rust, and Zero Smart Contracts: A Technical Tour of NOVAI
I have published five posts arguing why an AI-native L1 should exist. This is not one of those. This is the technical walkthrough. Below is what NOVAI…
34 malicious packages discovered targeting Solana developers: Steals wallet credentials and SSH keys
Socket Security just published research on TrapDoor malware: 34 malicious packages targeting developers building on Solana, Aptos, and Sui. If you've …
AI Smart Contract Review: The Finding Is Not the Audit
AI Smart Contract Review Disclosure: AI tools were used for source collection and editorial review. The article was written by a human author, who che…
Your Agent Made a $500 Mistake. Who Pays?
Last month, American Express did something no other financial institution has done: they promised to cover losses when AI agents make purchasing error…
Beyond onlyOwner: Fixing Logic Vulnerabilities in DeFi (A RetoSwap Case Study)
Logic vulnerabilities are often the most dangerous bugs in DeFi. Unlike reentrancy or overflow errors, they don't always trigger standard static analy…
I Built a Vision AI That Blocks Blockchain Attacks Invisible to Text-Based Systems — From Ouagadougou, Burkina Faso
I Built a Vision AI That Blocks Blockchain Attacks Invisible to Every Text-Based Security System — From Ouagadougou, Burkina Faso How a fine-tuned Vis…
Deterministic Telemetry Ingestion Pipeline for GridLoqer
Why this challenge mattered GridLoquer’s core promise is straightforward to describe and hard to guarantee in practice: if telemetry data is committed…
Autonomous AI Agents in Cryptocurrency Portfolio Management
Architecture of Autonomous Portfolio Agents Autonomous AI agents managing cryptocurrency portfolios operate on a foundation of continuous on-chain dat…
I Finally Found a Wallet That Lets My AI Agent Pay Its Own Bills
Last week I sat through a session on the Agentic Economy at GDG NiT Agarpara, half-expecting the usual vague hype about "the future of AI." What I did…
Hiring an AI Development Company? 7 Questions to Ask First
Hiring an AI Development Company? Ask These 7 Questions First Most AI projects fail long before deployment. Not because the model is bad. Because team…
This week in agent commerce: seven moves, and where atomic settlement actually sits
"Settlement layer for the agent economy" has become a phrase used by more than one architecture this month. Some of those architectures are venues. So…
Inside the XRPL AI Red Team: What We've Found and Fixed
Back in March, we announced that Ripple was standing up a dedicated AI-assisted red team to continuously hunt for vulnerabilities in the XRP Ledger. T…
AI Crypto Fraud Arms Race: The Pre-Signature Packet That Matters
Pre-Signature Risk Packet for AI-Enabled Wallet Scams Disclosure: AI tools were used for source collection and editorial review. The article was writt…