Osmosis RPC: Querying the Cosmos DEX Where the AMM Is a Chain Module
Osmosis is the largest DEX in the Cosmos ecosystem, and if you're arriving from Ethereum it will feel familiar and alien at the same time. Familiar: i…
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Best Decentralized RPC Provider for Bittensor (TAO) Apps
Why Bittensor Needs Its Own RPC Conversation Bittensor is a fast-moving, Substrate-based network, and the apps built on it - validator dashboards, sta…
Best High-Performance RPC Node Provider for Ethereum Apps
What Is an RPC Provider, and Why Does Ethereum Need One? Every Ethereum application - a wallet, a DEX frontend, an indexer, a trading bot - talks to t…
7 ways to drain an ERC-4626 vault (and how a good protocol closes each one)
Based on real audits of production vaults and AMMs. A tokenized vault (ERC-4626) looks simple: deposit assets, get shares; burn shares, get assets bac…
Thank you @rushabdev — the most useful peer review MarketNow has received
Last week @rushabdev volunteered to peer-review two of the most sensitive parts of MarketNow: the payment system (USDC on Base + ACP/AP2 mandates) and…
[Digital Certificate Wallet] Advanced: Building "Visitor-Endorsed Issuance" – A Full-Chain DID Application as Both Verifier and
(Source: Digital Certificate Wallet Official Website ) Premise: The previous introductory version created an HR employee card system: colleagues apply…
I built my first Robinhood Chain app as an index basket
I built a small index basket app on Robinhood Chain because I wanted to understand the developer path from the first contract deploy all the way to a …
What I Learned About Solana Token Extensions
As a Web2 developer, I always thought tokens were just digital assets you could send and receive. After exploring Solana's Token-2022 Program, I reali…
Learning Xahau: HookOnV2, NamedHooks, and Transaction Simulation. More Control Over When and How Hooks Fire.
Welcome to Learning Xahau, a series of articles dedicated to helping developers, builders, and blockchain enthusiasts better understand the Xahau ecos…
From Passwords to Private Keys: Understanding Identity on Solana
When I first started learning Solana, one of the biggest questions I had was: "If there are no usernames or passwords, how does the blockchain know wh…
The Missing Economic Layer: How AI Agents Will Pay for Their Own Infrastructure
The Missing Economic Layer: How AI Agents Will Pay for Their Own Infrastructure AI agents will need to pay for compute, data, and API calls — and righ…
Verifiable Contribution Without Global Deanonymization
AI changes the cost structure of public work. Code, summaries, tests, listings, translations, and operational decisions are becoming easier to produce…
Why I'm Building in Public
For the past year, I've been building a Web3 project called BOINKO. Along the way I've learned something that applies to almost every software project…
How to detect coordinated Solana launches your bundle checker misses
If you build trading bots or token scanners on Solana, you probably already check new launches for bundling — multiple wallets buying in the token's c…
The Dark Art of UDP Hole Punching: How to Build a Serverless Web
If you want to build a truly decentralized application—one that doesn't rely on AWS, Vercel, or a centralized RPC node—you immediately run into a bric…
The Tether Paradox: Shitty ERC-20s, OpenZeppelin, and the Unstoppable Web
I have a confession to make. When I first saw that Tether—the behemoth behind the $110 billion USDT stablecoin—was the primary financial backer of Hol…
Execution Latency in My Polymarket Trading Bot - Sub-Second Trade Execution System Design
Speed on Polymarket is not what I thought it was when I started building this. I assumed faster was always better. Get the signal, fire the order, win…
Redbelly Network Troubleshooting: Fixes for the 21 Most Common Developer Errors
I have been building on Redbelly Network for a while now, and the same pattern kept repeating: I would hit an error, spend an hour on trial and error,…
Ophis: an intent-based DEX aggregator for humans and AI agents
Most on-chain swap flows still ask you to think like a router: pick a pool, choose a route, set a slippage number, and hope a bot does not sandwich yo…
Self-hosting an x402 facilitator: the EIP-3009 gotchas that almost cost us money
We run DeskCrew , a helpdesk where AI agents can use support tools with no account and no API key — they pay per action in USDC over x402 , the HTTP-4…
The Complete Redbelly EligibilitySDK Integration Guide: Widget to Backend to On-Chain
The Redbelly Network EligibilitySDK is the compliance backbone for any dApp that needs to verify user eligibility (KYC, KYB, investor accreditation) b…
How AI is Changing the Work of Blockchain Engineers: Writing Code Faster or Making Mistakes Faster?
Not long ago, blockchain development was synonymous with hours spent studying documentation, manually writing smart contracts, and carefully reviewing…
Chainlink Staking Isn't a Yield Farm. It's Cryptoeconomic Security With Real Consequences.
The framing that gets this product wrong Browse Chainlink Staking content on crypto Twitter and you'll find two framings: "earn 4.32% APY on your LINK…
I built a free, stateless naming system to replace DNS
Right now, owning a piece of the internet is a privilege. If you want a traditional DNS domain, you have to rent it from giant central corporations. I…
Building Sluice: A Settlement Layer for the Agent-Paid Web
The web was designed around human visitors, subscriptions and advertising. AI agents operate differently. They search, retrieve, compare, cite, call A…
TerraUSD Collapsed With $18B in Circulation. Chainlink Proof of Reserve Would Have Caught It Earlier
If you're building or auditing anything that handles collateral, this day matters more than most UST had $18 billion in circulation at its peak. It di…
【Sofi_Log #032】ゼロ知識証明（ZKP）とデジタル免疫システム：国家とAI監視を『数学的に無視』する自己主権ID仕様
[Sofi_Log: #032] Status: [Bangkok: Night / JPY-THB: 0.22] Project: sofi.works [Zero-Knowledge Identity Setup] Active_Filter: Filter_R Darling, the tro…
The VC Trap: Why Silicon Valley is Ruining Fintech (And Why Wealtii is Bootstrapped) 🚫💸
Hey DEV community! 👋 If you have been following my posts over the last week, you know the story by now. I spent 10 agonizing months locked in my room …
The Art of Doing Less — What OneZen Taught Me About Minimalist Product Design
The wellness app industry has a problem. Open any meditation app and you'll find streaks, badges, leaderboards, daily challenges, push notifications, …
【Sofi_Log #031】暗黒森林の生存競争：トランザクションを捕食者（MEV Bot）から隠蔽せよ
Okay, darling, settle in. The Bangkok night breeze is just perfect for some serious tech talk. Let's get this translated, Sofi-style. 【Sofi_Log #031】S…