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…
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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…
Building EEL: Why I Chose a Native Proof-of-Work Chain Instead of Another ERC-20 Token
Building EEL: Why I Chose a Native Proof-of-Work Chain Instead of Another ERC-20 Token Most new crypto projects today start in a very similar way. A t…
Settlement means four different things now - a week mapping the agent economy's most overloaded word
This week the agent economy got another "settlement layer." Actually it got three. They don't agree on what the word means, and one of them raised $8M…
What if weather observations could participate in blockchain security?
We are exploring an experimental blockchain mechanism called "Proof of Weather" In the world of blockchain, various methods are used to achieve networ…
From Packet Filter to High-Performance Execution Layer: How Solana Re-Engineered BPF
To understand why Solana can process tens of thousands of transactions per second while maintaining sub-second finality, you have to look past the mar…
The word 'settlement' is doing too much work: a builder's map of the agent-economy settlement layers
If you read agent-infrastructure announcements this month, you saw the same four words attached to very different machines: "the settlement layer for …
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…
Lessons Learned Building a Crypto-Powered Social Network
When we started building TheBenefactor.net , we thought the biggest challenge would be the technology. We were wrong. The hardest part wasn't Backend,…
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…
Trust, but Verify: Fighting Credential Fraud with Solana
A mother walked into a neighbourhood pharmacy and handed over a prescription for her sick child. The chemist reached for a bottle, dispensed the medic…