How are you, hacker? 🪐 What’s happening in tech today, December 28, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, The US Signed the Endangered Species Act (ESA) in 1973, The First Commercial Movie Was Screened in Paris in 1895, The First American In-Vitro Fertilization Baby is Born in 1981, and we present you with these top quality stories. From Debunking the 99.8% Accurate IP Data Claim to Global Debt Crisis: Why Blockchain May Be the Path to a Clean Financial Reset, let’s dive right in. Debunking the 99.8% Accurate IP Data Claim By @ipinfo [ 4 Min read ] IPinfo explains why ‘99% accurate IP data’ is misleading and how real accuracy requires ongoing measurement, transparency, and ProbeNet validation. Read More. The Hidden Cost of Invalid Traffic: Why IP Data Is the Missing Link By @ipinfo [ 3 Min read ] IPinfo stops invalid traffic by detecting bots, VPNs, and proxies with real-time IP intelligence, helping ad platforms cut waste and improve ROI. Read More. Real-Time Write Heavy Database Workloads: Considerations Tips By @scylladb [ 6 Min read ] Key architectural and tuning strategies for real-time write-heavy databases, covering storage engines, compaction, batching, and latency trade-offs. Read More. BDX on LayerZero and Stargate: Privacy Meets Cross-Chain Interoperability By @beldexcoin [ 3 Min read ] BDX goes multi-chain with LayerZero and Stargate, enabling seamless cross-chain asset transfers across Ethereum, BNB Chain, Solana, Arbitrum, and Base networks. Read More. Should You Trust Your VPN Location? By @ipinfo [ 9 Min read ] IPinfo reveals how most VPNs misrepresent locations and why real IP geolocation requires active measurement, not claims. Read More. Global Debt Crisis: Why Blockchain May Be the Path to a Clean Financial Reset By @chris127 [ 10 Min read ] Global debt has surpassed $300 trillion. This article explores why devaluation fails—and how blockchain and UBI could offer a debt-free reset. Read More. Secury Wallet Unveils Next-Generation Multichain Crypto Wallet With Chat to Pay, Opens $SEC Presale By @btcwire [ 2 Min read ] The project has opened the $SEC token presale, including early staking opportunities offering up to 100% APY during the presale phase. Chat to Pay is an instant Read More. The Seven Pillars of a Production-Grade Agent Architecture By @denisp [ 12 Min read ] An AI agent without memory is just a script. An agent without guardrails is a liability. The 7 critical pillars of building production-grade Agentic AI. Read More. 🧑💻 What happened in your world this week? It's been said that writing can help consolidate technical knowledge, establish credibility, and contribute to emerging community standards. Feeling stuck? We got you covered ⬇️⬇️⬇️ ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it.See you on Planet Internet! With love, The HackerNoon Team ✌️