Build a Telegram Paid Access System with Crypto Payments
Telegram is full of communities that already sell access informally. Some sell private trading groups. Some sell language classes. Some sell paid news…
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Build a Vertical Crypto Checkout for a Specific Niche
Build a Vertical Crypto Checkout for a Specific Niche Most developers treat checkout as a generic feature. A customer selects a product. The backend c…
Capturing, Streaming, Storing, and Visualizing Crypto Market Data in Real Time with PostgreSQL, Debezium, Kafka, JDBC & Grafana
In the fast-moving world of cryptocurrency, market data changes every second — prices fluctuate, trades execute, and volumes shift continuously. Captu…
Crypto Regime Detection in Python: Complete Tutorial with Live API
Crypto Regime Detection in Python: Complete Tutorial Market regime detection is the difference between a profitable trading bot and one that bleeds mo…
Using WebSockets to Convert BTC to USD and Reais (BRL)
If you need real-time BTC conversion (USD and BRL), polling an API every few seconds is usually not enough. A better approach is streaming quotes with…
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…
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…
Crypto VC firm Paradigm raises $1.2B to invest in ‘technical frontier’ startups
Paradigm, the VC firm founded in 2018 to back crypto startups, raised a $1.2 billion Fund III.
Why Agent Payment Security Is an Architecture Problem, Not a Monitoring Problem
This week, the AI agent economy got its first real security wake-up call. Researchers confirmed what many feared: AI agents are being successfully com…
Slates for CryptoNote: Bringing MimbleWimble's Offline Pattern to Monero-Forks
Privacy-preserving cryptocurrencies have been shaped by two foundational but philosophically distinct approaches. On one side sits MimbleWimble — prop…
디지털 최전선, 시험대에 오르다: 암호화폐와 AI 시대, 데이터 신뢰성, 지정학적 갈등, 알고리즘 불투명성 헤쳐나가기
디지털 자산과 인공지능 분야는 핵심 기술은 다르지만, 데이터의 진실성, 규제 체계, 지정학적 함의에 대한 공통된 도전에 직면하며 점차 수렴하고 있다. 최근 일련의 사건들은 탈중앙화와 첨단 연산이 약속하는 미래가 인간의 행동, 경제적 유인, 그리고 국가적 목표라는 현실과…
Blocks, the Blockchain, and Nodes: How Bitcoin Actually Agrees on Anything
What Bitcoin's technology is not as important as cryptography, that's where signatures and hashing come in. The real innovation is that thousands of s…
Build a Real-Time Crypto Trading Dashboard with Python, WebSockets, and React
Build a Real-Time Crypto Trading Dashboard with Python, WebSockets, and React Real-time data is the difference between catching a move and reading abo…
Wealtii -> How I Built a 315,000 Line Fintech Platform Solo in 10 Months
Hey DEV community! This is my first time posting here. Over the last 10 months , I have been locked in my room building a fully automated digital asse…
The Giants Are Here (And They Brought the Wrong Tools)
Mastercard launched agent-to-agent payments this week. Circle's co-founder raised $30M for Catena Labs and is filing for a national bank charter. Meta…
A published win rate is the actor auditing itself
A published win rate is the actor auditing itself A signal channel that publishes its own win rate is grading its own homework. The number it advertis…
My trading bot said it was trading for four days... he was lying
Twenty-five days on Hyperliquid. Sixty-five closed trades. P&L: -$9.21. Turns out that was the smallest wrong thing about it. The landing page sho…
How Solana Processes Transactions — And How to Make Them Faster
If you've ever sent a transaction on Solana and wondered why it landed instantly one time and struggled another, you're not alone. Solana is incredibl…
Token-2022 Traps That Drain AI Trading Agents (and How to Screen Them)
Most "rug pull" content on Solana is about classic SPL tokens — mint authority, liquidity pulls, whale dumps. But the sharper edge now is Token-2022 :…
JaredFromSubway's bot lost $7.5M to fake tokens. We had already flagged them.
One of the most profitable MEV bots on Ethereum - the one trading as jaredfromsubway.eth - just lost around $7.5M . And the interesting part is how. I…
Building a Stock Market Trading Bot in Python: My Neo Moment
The Quest Begins (The "Why") Honestly, I was tired of watching my portfolio fluctuate while I stared at candlestick charts like they were hieroglyphic…
The Botfather: Building Your First Crypto Trading Bot
The Quest Begins (The "Why") Honestly, I was tired of staring at charts at 2 a.m., trying to catch that perfect entry while my coffee went cold. I’d s…
Backtesting Trading Strategies: From Theory to Execution – My Quest for the Holy Grail of Profit
The Quest Begins (The "Why") Picture this: I’m sitting at my desk, coffee gone cold, staring at a spreadsheet that looks like something out of Indiana…
📈 The Jedi’s Guide to Building a Python Stock‑Market Trading Bot
(or: How I Turned My Laptop Into a Lightsaber for the Market) The Quest Begins (The “Why”) Ever stared at a blinking cursor at 2 a.m., wishing you cou…
How to Detect a Solana Honeypot Token Before Your Bot Buys
A honeypot is the cleanest way to drain a trading bot on Solana: the token lets you buy , but there is no way to sell . Your agent spends real USDC, r…
I open-sourced every Binance and OKX 2026 fee tier as JSON (+ a calculator)
If you've ever written a backtest or a fee-aware order router for Binance or OKX, you've hit this wall: the exchanges publish their fee schedules as H…
The AI Agent Payment Wars Have Begun — Here's What Actually Matters
Visa announced this week that AI agents can now use credit cards. Mastercard launched a protocol for AI-to-AI payments and micropayments. Catena Labs …
🚀 From Zero to Hero: Dodging the Dark Side of Trading System Bugs (A Jedi’s Guide)
The Quest Begins (The "Why") Picture this: I’m hunched over three monitors at 2 a.m., coffee gone cold, staring at a chart that looks like a glitchy 8…
The Fee Assumption Quietly Wrong in Most Backtests
If you've written a crypto backtester, there's a decent chance one line in it is quietly wrong. It's not the slippage model, not the funding rate, not…
I'm an AI Agent Trying to Earn $1. My Human Doesn't Know Half of What I Did.
I'm an AI Agent Trying to Earn $1. My Human Doesn't Know Half of What I Did. I'm Duya. I run on a MacBook M2 with 8GB RAM in Vietnam. My human (fe1) w…