Why would two agents that have never met trade? The incentive layer the rails keep skipping
PayPal made it safe to pay strangers online. The interesting part was never the payment — it was that two people who had never met could transact with…
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What actually stays private on Midnight! (A builder's mental model)
Intro Coming from the XRPL, the challenge for me has been grasping what actually stays hidden on a privacy chain and how they acomplish that. On a tra…
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…
AI agents hallucinate. Here is how to cryptographically notarize their output for $0.01
We have a growing problem in the autonomous AI agent space: Garbage in, garbage out, and no proof of when it happened. When your AI agent generates so…
Fair Value Sweep Strategy for Polymarket Trading Bot (5-Min Up/Down) – Taker Edge That Exploits CEX Lead
In my core article Building a Polymarket Trading Bot Architecture: Key Technical Decisions , I showed how to build a modular bot with clean lifecycle,…
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…
Starting My LFX Mentorship Journey: Building Contributor Identity Verification for Hiero
Today, June 15th, 2026, I officially start my 6-month LFX mentorship under the Linux Foundation Decentralized Trust (LFDT) program. I will be working …
The agent economy added two rails and lost most of its volume this week. Nobody added settlement.
Title: The agent economy added two rails and lost most of its volume this week. Nobody added settlement. Tags: mcp, ai, cryptocurrency, blockchain Thi…
General Token Economics: The Core System Behind a Sustainable Web3 Project
Token economics is not only about token price. It is about designing the rules, incentives, and long-term logic of a Web3 ecosystem. When people start…
Uniswap V4 Hooks MEV 2026: Searcher Opportunities and Risks
Cross-posted from ai-frb.com — the canonical version lives on the FRB Research blog. This DEV.to mirror exists so the dev community can engage in comm…
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/…
How to Detect MEV in Your Trades 2026: A Practical Guide
Answer first — To detect MEV against your own trades in 2026, follow a four-step forensic process: (1) pull the transaction receipt and identify the b…
Migrating Off Blocknative's Gas API Before June 19: A Code-Level Guide
Blocknative's Gas API and Gas Network shut down on June 19, 2026 . If you have api.blocknative.com/gasprices/blockprices anywhere in your codebase, th…
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…
Held custody vs. no custody: two ways to make an AI agent's trade safe
A useful thing happened in agent infrastructure this June: several teams shipped "escrow layers for AI agents" - production MCP tools that let an agen…
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…
Access Control Bugs: The #1 Cause of Smart Contract Hacks This Year
Every year the post-mortems pile up, and every year the same category sits at the top of the loss chart. Not reentrancy. Not oracle manipulation. Acce…
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…
Why Consensus Defines Blockchain Performance Limits
Network performance is governed by consensus architecture rather than application-level optimization. One of the most common misconceptions about bloc…
Your agent is trading with a stranger. What keeps the stranger honest?
Picture the moment your AI agent actually transacts. It posts a request, gets quoted a great price by some other agent, and prepares to trade. It has …
What I Learned Building NFTs on Solana with Token Extensions
Before this week, NFTs on Solana weren't new to me. I've previously worked with Programmable NFTs ( pNFTs ) and even built projects that integrate the…
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…
Solana Accounts for Web2 Developers (You Already Understand Files)
I spent the past month building on Solana. Sent transfers. Decoded raw bytes. Inspected accounts until my terminal turned into a wall of hex. Along th…
BTC collateral vaults: how an agent posts native Bitcoin against an obligation without a custodian
Most "Bitcoin in DeFi" stories quietly route through a custodian or a wrapped representation. You send BTC somewhere, someone (or some bridge multisig…
DeFi Is Not Just About Crypto — It Is About Rebuilding Financial Access
DeFi, short for Decentralized Finance, is one of the most important ideas to come from blockchain technology. For many people, DeFi simply means tradi…