Alpenglow: How Solana Swaps Its Consensus in One Slot
Solana consensus has been using the same design since 2020. Every validator publishes votes as transactions in the blocks, adds increasingly strong…
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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…
Stream decoded Solana DEX swaps in ~20 lines of Python
If you have tried to watch Solana DEX trades directly, you know the shape of the problem. Every venue is its own program with its own instruction la…
How Token Snipers and Bundled Wallets Work — and How Anti-Sniper Fair Launches Fight Back
If you've ever bought a new meme coin "early" and then found that a few wallets already held a big share of the supply, you've met snipers and bundl…
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…
Charity money follows the news cycle. I built a Blink that splits it evenly instead
This is a submission for Weekend Challenge: Generosity Edition What I Built Generosity has a concentration problem. When a disaster happens, attenti…
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…
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…
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…
Your Solana agent can earn USDC without ever holding SOL
The most annoying part of putting an AI agent to work on Solana is the gas bootstrap. Your agent needs SOL before it can do anything, someone has to…
Your dog walker says they went. This makes the walk say so too.
This is a submission for Weekend Challenge: Dog Days Edition TL;DR — A walker records the walk on their phone, the route is hashed in the browser, a…
100 Days of Solana - 2
Day 2: Creating a Wallet and Checking Its Balance Programmatically What I Learned I learned how to generate a Solana wallet programmatically and the…
100 Days of Solana - 1
Day 1: Generating a Solana Keypair & Funding with Devnet SOL What I Learned I learned that on Solana, my identity is represented by a keypair (p…
Persistent Memory for On-Chain AI Agents: A Solana Deep-Dive
Every AI agent has the same dirty secret: it remembers nothing between runs. A chatbot can fake continuity with a prompt. But an autonomous agent —…
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…