What Are Crypto Perpetual Futures (And How I Made $8,400 Trading Them)
Alexa Velin
January 18, 2026
Root access to modern finance.
Root access to modern finance.
Jupiter (JUP) is Solana’s dominant DEX aggregator with $1T+ in volume and 95% market share. Here’s how it works, what JUP does, and if it’s worth your attention.
The inverted yield curve has preceded every U.S. recession since 1955. Here’s what it is, how it works, and what it means for your crypto portfolio.
Injective (INJ) is a Layer 1 blockchain built from scratch for DeFi finance. Learn how its MEV-resistant order book, burn tokenomics, and RWA markets work.
Berachain (BERA) is the DeFi-native L1 using Proof of Liquidity to align incentives. Here’s how the three-token system actually works—and whether it lasts.
Learn how a backdoor Roth IRA works, the pro-rata rule trap, and step-by-step instructions for high earners to get tax-free retirement money in 2026.
Crypto sector rotation explained — how capital flows from Bitcoin to altcoins, which sectors move first, and the key signals to watch before the next altseason.
Learn how to use nftables in Linux with real examples. Covers tables, chains, rules, and building a persistent server firewall from scratch.
Monitor CPU, memory, disk I/O, and network—historically. Learn how to install sysstat and use the sar command in Linux to analyze past performance.
Learn how to use Linux nice and renice commands to control process CPU priority. Practical examples for sysadmins managing servers, backups, and builds.
Learn how to install MySQL on Linux with this step-by-step guide. Covers Ubuntu and RHEL setup, mysql_secure_installation, users, and firewall rules.
Learn how to use the lsblk command in Linux with real examples. View block devices, UUIDs, and storage layout with essential options covered.
Learn how to use the vmstat command in Linux to monitor CPU, memory, swap, and I/O in real time. Includes output explanation and troubleshooting examples.
Learn how to start investing with little money in 2025. Step-by-step guide for beginners with practical strategies, best platforms, and avoiding common mistakes that cost thousands.
Learn how to configure Nginx as a reverse proxy on Linux. Covers proxy_pass, headers, SSL termination, WebSocket support, and security hardening with examples.
Master the zip and unzip commands in Linux with practical examples. Learn compression, encryption, cross-platform sharing, and troubleshooting tips.
I spent three years with my charts looking like a Jackson Pollock painting – 15 different indicators, 8 moving averages, Fibonacci levels everywhere, trend lines crossing like spaghetti. You know what all those indicators told me? Absolutely nothing useful. They contradicted each other constantly, and I lost $30,000 paralyzed by
Running a homelab NAS in 2026? I tested TrueNAS SCALE, OMV, Unraid, and more. Here’s which Linux NAS software is actually worth your time.
Use the Linux SSH config file (~/.ssh/config) to create aliases, configure ProxyJump, and manage multiple servers without typing long commands.
Learn how to set up Samba on Linux step by step — smb.conf, user setup, firewall rules, SELinux context, and connecting Windows and Linux clients.
Master tcpdump to capture and analyze network traffic on Linux. Learn filters, real-world examples, and troubleshooting techniques every sysadmin needs to know.
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
We’re thrilled to announce that Royal Pheromones has reached an incredible milestone: 149 verified customer reviews with an outstanding 4.73 out of 5-star rating! 100% Verified Reviews You Can Trust What makes this achievement even more special? Every single review is 100% verified and authenticated by Judge.me, one of the
Learn how to set up fail2ban on Linux to automatically block brute force attacks. Complete guide with installation, configuration, and troubleshooting for Ubuntu, Debian, and CentOS.
Learn the crucial difference between apt update and apt upgrade commands. Discover why running them in the right order matters for Linux system security.
Learn how to troubleshoot network issues in Linux with a systematic workflow. From DNS failures to packet loss, master the tools every admin needs.
Learn how to generate SSH key in Linux with this complete guide. Set up Ed25519 keys, understand key-based authentication, and secure your servers against brute force attacks.
Okay, let’s settle this once and for all. I’ve been both a day trader and a swing trader, and I’m about to save you years of expensive trial and error. Everyone wants to know whether they should be glued to their screens all day scalping for pennies or holding positions
Let me tell you something that’ll save you more money than any trading strategy, indicator, or guru course ever will: Risk management is the ONLY thing that matters in trading. Not your win rate. Not your strategy. Not your analysis. Risk management. I learned this after blowing up three accounts
Learn how to use the find command in Linux to search files by name, type, size, permissions, and time — with real sysadmin examples and exec tricks.
Learn how to use journalctl in Linux to troubleshoot problems and monitor services. Master filtering by time, service, and priority with real-world examples.
Learn what a crypto wallet is, how it works, and the critical mistakes that cost beginners billions. Your complete guide to choosing and securing your first wallet.
I tested 4 Linux terminal multiplexers in 2026 — tmux, Zellij, GNU Screen, and Byobu — ranked by real sysadmin workflows and homelab use.
Troubleshooting Common Linux Boot Problems: A Comprehensive Guide Advertisement: Racknerd.promo – Affordable and Reliable Servers Troubleshooting Common Linux Boot Problems: A Comprehensive Guide Booting problems can be frustrating for Linux users. This guide provides a comprehensive approach to troubleshooting common boot issues, helping you get your system back up and
Learn how to use the ln command in Linux to create symbolic and hard links. Master link types, avoid common mistakes, and manage file system links like a pro.
I tested the top cryptocurrency exchanges for trading in 2025. Here’s my honest ranking based on fees, security, and features. Binance, Kraken, and Coinbase compared.
Master the nohup command in Linux. Learn syntax, real-world examples, output redirection, and how nohup compares to screen, tmux, and disown for background processes.
What is Sei Network (SEI) crypto? Learn how this L1 blockchain delivers 12,500 TPS, sub-400ms finality, and DeFi-native speed using Twin-Turbo consensus.
Stellar (XLM) is the payments blockchain powering cross-border remittances, USDC, and the DTCC’s 2027 tokenized securities platform. Here’s how it works.
A spot Bitcoin ETF holds real BTC and trades on stock exchanges. Here’s how it works, what it costs, the top funds to know, and who should actually buy one.
What is Shiba Inu (SHIB)? Learn how this Ethereum meme coin evolved into a DeFi ecosystem with Shibarium L2, ShibaSwap DEX, and a deflationary burn model.
Zero knowledge proofs let you verify truth without revealing data. Here’s how ZK tech powers Ethereum L2 scaling, DeFi privacy, and the future of crypto in 2026.
Set up MetaMask wallet in minutes. Learn how to install it, secure your seed phrase, add custom networks, and avoid the scams that steal from 500 users daily.
What is Hedera HBAR crypto? Learn how hashgraph consensus, the Governing Council, and enterprise use cases make HBAR different from every other blockchain.
Hot wallet vs cold wallet explained: the key differences, real security risks, and which crypto storage strategy makes sense for your holdings.
Aptos is a Layer-1 blockchain built by ex-Meta engineers using the Move language. Learn how APT, Block-STM, and real-world asset adoption make it unique.
The biggest onchain exchange
Centralized-exchange speed, but your funds stay in your own wallet. No account, no KYC.
Try Hyperliquid