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…
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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…
『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…
The Solana Program Security Checklist I Wish I'd Had on Day One
I spent the last two weeks thinking like an attacker. I wrote tests whose only job was to make my own programs fail. I ran a fuzzer across thousands…
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…
Every Sports App Resets Your Streak Eventually. Mine Can't. 🔒⚡
This is a submission for Weekend Challenge: Passion Edition What I Built Loyalty Ledger — a fan loyalty tracker where your check-in streak, badges,…
Every Sports App Resets Your Streak Eventually. Mine Can't. 🔒⚡
This is a submission for Weekend Challenge: Passion Edition What I Built Loyalty Ledger — a fan loyalty tracker where your check-in streak, badges,…
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…
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…
【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 #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…
【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…
CPIs and PDA Signers: What I Built and What Actually Clicked
I spent four days building programs that move SOL and tokens on Solana. Day 71 was a simple SOL transfer through a CPI. Day 74 was a mint whose auth…
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,…
Solana Transactions Explained for Backend Developers
If you're coming from a Web2 backend background, your mental model of APIs is probably built on the standard HTTP client-server pattern: client make…
What I Learned About PDAs in a Week of Building on Solana
What problem do PDAs solve? One of the first things that confused me when learning Solana was where programs actually store data. Unlike a tradition…
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…
What Token Extensions Are and Why a Web2 Developer Should Care
You already understand tokens. Extensions are just middleware for your money. If you have ever worked with Stripe, you know the pattern. You start w…