Posted inWeb3 Technologies
What Is a Smart Contract? A Beginner’s Guide in Plain English
A smart contract is a program on a blockchain that runs exactly as written. Learn how it works, what it powers, and what went wrong with The DAO in 2016.
Posted inDecentralized Finance (DeFi)
What Are Stablecoins? A Beginner’s Guide to Crypto’s Steadiest Corner
What is a stablecoin, and how does it hold its dollar peg? Fiat-backed, crypto-backed and algorithmic types, the Terra collapse, and the GENIUS Act — explained.
Posted inBlockchain Security
Crypto Wallets for Beginners: Hot, Cold, and How to Choose Your First One
Learn how crypto wallets work, the difference between hot and cold wallets, and how to keep your seed phrase safe — a plain-English first-wallet guide.
Posted inWeb3 Technologies
curl –resolve vs –connect-to: Change the Target, Keep URL Identity
Compare IP overrides and connection-host mappings using documented, unrun commands and clear HTTPS boundaries.
Posted inWeb3 Technologies
HTTP 429 Retry-After: Delay Seconds vs HTTP Dates
Interpret two hypothetical timing values from a stated receipt time, then separate the waiting instruction from client behavior and request success.
Posted inWeb3 Technologies
GitHub Conditional GETs: When to Replace or Reuse a Stored Response
A compact response-handling table and hypothetical ETag trace for reviewing GitHub polling, including rate-limit boundaries and unresolved endpoint questions.
Posted inWeb3 Technologies
GitHub Repository Webhook Recovery: What to Check Before and After Redelivery
Build a before-and-after incident record, check missing redelivery prerequisites, and keep delivery results separate from application recovery.
Posted inWeb3 Technologies
SSRF Review for URL-Accepting AI Automations: A Server-Fetch Worksheet
Map user-supplied URLs to server-side fetches, possible exposure and missing evidence—without treating an unanswered question as proof of safety.
Posted inWeb3 Technologies
API Inventory for AI Automation: A Copyable Register and Retirement Checklist
Copy a blank API inventory register, follow a clearly hypothetical example, and distinguish missing information from unresolved dependencies and retirement candidates.
Posted inWeb3 Technologies
API Automation Resource Review: Frequency, Concurrency, Batch Size and Cost
Review four workload dimensions before expanding an API automation, separating documented resource risks from assumptions about capacity and cost.