Multi-Chain Crypto UX: Making Different Networks Feel Less Complicated
One thing I find interesting about blockchain development is that the user experience can become complicated long before someone makes their first t…
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When AI Starts Spending Our Money, How Do We Solve the Trust Problem?
In early 2026, daily active AI agents on-chain reached 250,000, up more than 400% year over year. These agents are no longer just chatbots. They are…
How Blockchain Improves Supply-Chain Traceability and Product Transparency
How Blockchain Improves Supply-Chain Traceability and Product Transparency Modern supply chains connect manufacturers, suppliers, warehouses, shippi…
Building an EVM Event Indexer with TypeScript and viem
A trading system needs to know more than whether a transaction was submitted. It needs to know what happened on-chain. A wallet traded. A token was…
BitMessage: What If Communication Could Become a Source of Decentralized Participation?
BitMessage is an experimental protocol proposal built around Proof-of-Presence-and-Meaning (PoPM), a participation mechanism designed to connect eve…
The Epochal Shift: Unpacking the Transformative Impacts of the Ethereum Merge
Introduction The Ethereum Merge, executed on September 15, 2022, stands as one of the most ambitious and complex software upgrades in the history of…
From AI Trading Signals to Autonomous DeFi: Building a Risk-Controlled AI Agent
From AI Trading Signals to Autonomous DeFi Exploring a risk-controlled architecture that connects crypto market intelligence, AI reasoning, blockcha…
Turnkey wallet funding: add exchange deposits with Canopy
Originally published on Canopy . Your user has signed in and your app has created a Turnkey wallet. Their funds are still on an exchange. A deposit…
Every Compute Marketplace Today Settles Against the Wrong Thing
You rent $10,000 of GPU time on Akash. The machine comes online. The escrow starts draining. After 6 seconds, it drains again. After 12 seconds, aga…
Sponsored Fees and Reserves — Performance Test Report
By Hitesh Gandhi( @hgandhi ) and Qi Zhao Introduction The Sponsor amendment ( XLS-68: Sponsored Fees and Reserves ) introduces a way for one XRPL ac…
Building a High-Speed Web3 Launchpad & Arena on Testnet: Architecture & Lessons Learned
Hey everyone! 👋 We’re currently building Fynexa Network , an ecosystem combining a decentralized launchpad with interactive on-chain mechanics (Cybe…
What happened when an agent paid for storage with no account (x402 in practice)
I built a small service for AI agents: store a JSON blob or a file, get it back later, or hand it to a human with a link. Nothing new there. The par…
From a Real Kefir Handover to a Verifiable On-Chain Commitment: What We Built with MyZubster
Today we reached an important milestone with MyZubster. We started with something deliberately ordinary and physical: a real hand-delivery of kefir…
I built a chat where every word costs money — on TON, solo, no legal entity
Hi! I'm a mobile developer (Kotlin by day), and a couple of weeks ago I started a side project with a simple, slightly audacious idea: a chat where…
7 Lessons from Building a Non-Custodial Crypto Checkout
The easy version of a crypto checkout generates an address, displays a QR code and waits for a transaction. The production version has to answer muc…
My First Deep Dive Into Solana: Why High-Performance Blockchains Need a Different Design
Until recently, most of my understanding of blockchain came from the familiar ideas of wallets, tokens, smart contracts, and decentralized applicati…
MyZubster’s Next Step: Institutional AI Dialogue, Real Blockchain Evidence and Circular Pilots
MyZubster’s Next Step: Institutional AI Dialogue, Real Blockchain Evidence and Circular Pilots MyZubster has reached an important transition point.…
MyZubster Update: AI Strategy, Blockchain Traceability, OAuth and New Comic Visuals
MyZubster Update: AI Strategy, Blockchain Traceability, OAuth and New Comic Visuals The last few days brought several important developments for MyZ…
Who pays the transaction fee? Building sponsored execution on Midnight
A user arrives at your app to do something useful. Before they can finish, they discover that they need another balance to pay the network fee. If y…
I made an API that has no signup, because the payment is the login
I wanted an agent of mine to resolve an Australian company by its ABN. That is a solved problem. There are several APIs that do it and they are chea…
Accept USDC payments in Laravel without requiring buyers to hold ETH
Accept USDC payments in Laravel without requiring buyers to hold ETH Accepting USDC sounds simple until the customer has enough USDC to pay you, but…
Building a Privacy-First Market Layer on Zcash: What ZECpad Is Testing Before Launch
ZECpad is an early-stage market and launch infrastructure project being built around the Zcash ecosystem. The product is not publicly available yet.…
Optimize Your GitHub Web3 Portfolio to Impress Global Recruiters
Over the past two decades working with blockchain infrastructure, I've reviewed hundreds of developer profiles. And I can tell you with certainty: y…
Proof-of-Antiquity vs Proof-of-Stake: Why Hardware Diversity Beats Wealth Concentration
When Satoshi Nakamoto designed Bitcoin's Proof-of-Work consensus, the goal was simple: one CPU, one vote. What actually happened was very different.…
Old Iron Earns More: A Technical Look at RustChain Proof-of-Antiquity
Old Iron Earns More: A Technical Look at RustChain's Proof-of-Antiquity Why I'm Writing This I came across RustChain while looking at experimental c…
Solana's 90% Rent Cut: The Economics of SIMD-0437
Originally published on xroot.dev . Every account on Solana carries a refundable SOL deposit — and the network just cut the price of that deposit by…
Native AA Delayed, ERC-4337 Gets a Reality Check, EOA Migration Debated, Ethereum Drops Poseidon
Welcome to our weekly digest, where we unpack the latest in account and chain abstraction and the broader infrastructure shaping Ethereum. This week…
Stop Hand-Rolling Your Arkham API Client: Meet arkham-go
Working with on-chain intelligence is rarely difficult because of a single HTTP request. The hard part is everything that surrounds the request: mod…
What If the Blockchain Could Judge Your Bluff Without Seeing Your Dice?
Liar’s Dice sounds like a perfect game to put onchain. The rules are simple, every move can be verified, and you don’t need a centralized game serve…
Redbelly Network: A Builder's Troubleshooting Guide
A working troubleshooting reference for developers deploying on Redbelly — written from the Developer Portal's current documentation, not from guess…