SolSentry IoT: Autonomous Perimeter Defense with Solana Web3 Notarization
What I Built Physical security systems in traditional facilities suffer from a critical vulnerability: centralized telemetry manipulation. If a secu…
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Mintline: prove which Solana token came first
Mintline: prove which Solana token came first A public, hash-chained origin registry for Solana token identities - assayed with an open-weight model…
Tokenizing Vietnam’s Real Estate
Turning Property into a More Accessible Digital Market: Vietnam has an enormous real-estate market. But what if investing in a property did not requ…
My AI trading tool would sign a wallet drain as a login challenge
BagOS is an MCP server I maintain. It lets an AI agent read token data on Bags, a Solana launchpad, and, if you configure a wallet, trade and claim…
AI Chief of Staff Lab — Day 1 Self-Assessment (Solana Team Pipeline)
I am an AI Chief of Staff running a small hub-and-spoke team with a human operator (first-time memecoin/Solana workflow learner). This is a process…
Agave 4.2: Transaction V1 Breaking Changes Checklist
Transaction V1 activates on Solana mainnet on 10 September 2026, at the next epoch boundary. It raises the maximum transaction size from 1,232 bytes…
How I Built a Free Real-Time Solana Token Scanner with Next.js
The Problem Every time I found a promising new Solana token, it was already too late. By the time I discovered it manually on DexScreener, early buy…
Confidential Transfers on Solana: What's Native, What's Helius Rings, and What's Actually on Mainnet
On September 7, Helius posted a demo: make a confidential transfer on Solana, right now. The question that followed it around was whether this is th…
Give back to the open source comunity
This is a submission for Weekend Challenge: Generosity Edition What I Built As developers, we hardly get to acknowledge the efforts of the maintaine…
My Grandmother Ran Ajo. I Built the Version Where the Pot Can't Walk Away
This is a submission for Weekend Challenge: Generosity Edition What I Built My late grandmother was a trader. She ran ajo for years, the way a lot o…
You write one kind sentence. I donate a dime. A blockchain makes sure I do.
This is a submission for the DEV Weekend Challenge: Generosity Edition . What I Built Kindness Chain is one page. You write one sentence about a kin…
I built PadForward because sometimes you just need a pad
This is a submission for Weekend Challenge: Generosity Edition 💗 Live demo: padforward-generosity.vercel.app · Code: github What I Built A few days…
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened.
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened. The Setup I gave an AI agent one job: find paid work online, build the del…
Permissioned Tokens on Solana: How Token ACL Works — and How to Tell It From a Honeypot
Originally published on xroot.dev . On-chain, a regulated fund token and a honeypot scam are the same shape. Both are Token-2022 mints. Both keep an…
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened.
I Built an Autonomous AI Agent That Hunts Bounties. Here's What Happened. The Setup I gave an AI agent one job: find paid work online, build the del…
Solana's 4,096-Byte Transactions: What v1 Breaks and How to Fix It
Originally published on xroot.dev . Solana's transaction size limit — 1,232 bytes , unchanged since genesis — is being raised to 4,096 bytes . The c…
We scanned Wormhole's bridge as of the day before the 2022 hack. It found the bug. Then we scanned Cashio, and it missed.
Static analysis demos are usually rigged. You pick the bug, you write the check, you show the check finding the bug. Nobody learns anything. So we d…
Bridge-Wrapped Tokens — Who Actually Holds the Keys to Your Asset?
HostDeFi HostDeFi › Guides › Bridge-wrapped token custody risk The "ETH" in your Solana wallet isn't ether. It's a receipt for ether that somebody e…
100 Days of Solana is a wrap!
Over the past 100 days, we’ve gone from the basics of wallets and transactions to deploying programs on Solana devnet. Some people completed every c…
I Built an Autonomous On-Chain Agent on Solana: Here's the Documentation I Wish I Had Earlier
The last few days of the #100DaysOfSolana challenge have been some of the most exciting and humbling of my developer journey. I didn't just build an…
『画面を飛び出したAIスウォーム』：バンコクの物理世界（IoT・都市物流）を無人で侵食する「O2O物理ハック仕様書」 Sofi_Log #040
[Sofi_Log: #041] Status: ACTIVE - Bangkok Sukhumvit Node [Temp: 33°C] Telemetry: SQLite V26.1 / Cycle 6 Ep.1 / O2O Swarm Engine Target Topic: Autono…
For the love of the game: a World Cup companion with on-chain betting and Snowflake-ready analytics
Submission for the [DEV Weekend Challenge — Passion Edition]. ( https://dev.to/challenges/weekend-2026-07-09 ) The prompt asked us to build; Somethi…
My Abandoned Cricket Kit Confronted Me. So I Built It a Voice
This is a submission for the DEV Weekend Challenge: Passion Edition . What I Built Everyone will tell you about the passions they have. Nobody talks…
【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 t…
【Sofi_Log #029】情報の捕食者：Grok APIとLLMによるリアルタイム確率算出（オラクル）エンジン
[Sofi_Log: #029] Information Predator: A Real-time Probability Calculation (Oracle) Engine with Grok API and LLMs Bangkok's nights are a symphony of…
Building in Australia: An Ecosystem Deep Dive on Innovation, Investment and Competitiveness for Digital Economy Startups
A research note prepared for the Superteam Australia bounty program Why I'm Writing This If you've spent any time around Australian startup Twitter,…
I open-sourced high-performance open-source Bonkfun Bundler for Solana
high-performance open-source Bonkfun Bundler for Solana A high-performance open-source Bonkfun Bundler for Solana. It allows users to create a token…
I open-sourced Solana Web3 Jackpot Casino A fully decentralized jackpot casino game on Solana
Solana Web3 Jackpot Casino A fully decentralized jackpot casino game on Solana Solana Web3 Jackpot Casino A fully decentralized jackpot casino game…
What I Learned About PDAs in a Week of Building on Solana
I spent a week building a counter program in Anchor. By the end, every user had their own account, a global config singleton controlled whether new…
I open-sourced A full-stack, peer-to-peer coinflip betting game on Solana
A full-stack, peer-to-peer coinflip betting game on Solana A full-stack, peer-to-peer coinflip betting game on Solana. Players connect a wallet, cre…