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 cha…
Testing & QA
⚑ Report a ProblemLatest Testing & QA news from Tech News
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
claude
cybersecurity
database
devchallenge
devops
javascript
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
security
showdev
softwareengineering
testing
tutorial
typescript
webdev
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 o…
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; Something…
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, an…
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, an…
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 a…
【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…
【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 l…
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 author…
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, L…
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 on…
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, creat…
How I Built a Counter Program in Anchor and Learned to Trust My Tests
I spent a week building a counter program in Anchor — the Rust framework for writing Solana programs. By the end I had two instructions, one authoriza…
[Sofi_Log #016] Longevity Protocol: Refactoring Human Uptime via Biohacking
[Sofi_Log: #016] Status: Clear skies, piercing UV rays (UV Index 11) / 1 THB = 4.25 JPY (2026 forecast) Project: sofi.works [Phase: Longevity Protocol…
Drift Protocol $285M Exploit - North Korean APT Attack on Solana
On April 1, 2026, Solana's largest decentralized perpetual futures exchange Drift Protocol suffered an attack, losing approximately $285 million . Thi…
What Is Identity on Solana? (For Web2 Developers)
As a Web2 developer, you already have a comfortable mental model of what an "identity" is. When you build a simple app, a user's identity is just a ro…
Deploy Smart Contracts from Claude Desktop: ContractDeploy MCP Tools
Deploy Smart Contracts from Claude Desktop: Claude Desktop just gained the ability to deploy smart contracts through WAIaaS's MCP tools. With 45 MCP t…
Indexing Solana Programs in Rust: Notes From a Python Backend Engineer
TL;DR I built a small Solana program activity indexer in Rust to pressure-test the patterns I rely on every day in Python — cursor-based syncs, idempo…
Solana Explorer Explained: How to Read Blockchain Data Like a Developer
What Is Solana Explorer? If you've spent the last few weeks writing scripts to fetch account balances, decode transactions, and inspect on-chain progr…
Demystifying Solana’s Architecture: The Web2 Analogy That Helped Me Finally Understand Accounts
As we approach the end of Epoch 1 of the 100 Days of Solana , it’s time to look back at the core concepts that form the bedrock of everything we build…
Spraay just introduced new endpoints for Solana Agents.
If you've built a Solana DeFi agent recently, you know the shape of the work. You write a quote function. It calls Jupiter directly because that's whe…
Why backend developer are learning Solana?
Solana is one of the cryptocurrencies available in the current Blockchain market that gaining attention to many techies. Whether you are Python, Node …
Why Most Crypto Bots Get Sandwiched (And How to Prevent It)
Why Most Crypto Bots Get Sandwiched (And How to Prevent It) If you've ever tried running a crypto trading bot, you've likely encountered the dreaded "…
Why Most Crypto Bots Get Sandwiched (And How to Prevent It)
Why Most Crypto Bots Get Sandwiched (And How to Prevent It) If you've ever run a crypto trading bot on Ethereum or Solana, you've likely experienced t…