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.
What is the dig Command (And Why DNS Matters More Than You Think) Learning how to use dig command in Linux transformed the way I troubleshoot network issues. The dig command (Domain Information Groper) is a DNS lookup utility that comes from the BIND project, and it’s hands-down the most
Step-by-step guide to installing Python on Linux. Covers apt, pyenv, venv, and the PEP 668 externally-managed error on Ubuntu, Debian, and RHEL.
Learn how to use Git on Linux from scratch. Install, configure, commit, branch, and push code. Practical sysadmin workflows with real command examples.
Let me tell you about the time I spent $50,000 on AI trading bots thinking I’d found the cheat code to the market. Spoiler alert: I lost $35,000 and learned that most “AI trading bots” are about as intelligent as a Magic 8-Ball with a subscription fee. But I also
Learn how to configure UFW firewall on Linux with this complete guide. Secure your Ubuntu or Debian server with simple commands, avoid common mistakes, and implement best practices.
Discover the best Linux container management tools in 2026. I personally tested Portainer, Dockge, Lazydocker, ctop, Komodo, and Dozzle on my homelab.
Master the netcat (nc) command in Linux with real examples. Learn port scanning, file transfers, connection testing, and banner grabbing every sysadmin needs.
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.
Discover the 5 best Linux disk usage analyzers in 2026. I tested ncdu, gdu, dust, duf, and Baobab on my homelab — here’s which one you actually need.
Learn how to add, modify, and manage users in Linux with useradd, usermod, and userdel commands. Complete guide with examples, best practices, and security tips.
Learn how to use strace command in Linux to trace system calls, debug processes, and troubleshoot performance issues. Complete guide with real-world examples.
Why 74°F in Texas is slowly destroying your health (and why “just open a window” is terrible advice) The Texas Reality Check College Station, Texas: 75% average humidity. 200+ days above 70% humidity. Dew points so high they’re classified as “oppressive.” When someone suggests opening a window on a 71°F
Learn how to use the SCP command in Linux to securely transfer files between systems. Includes syntax, real-world examples, troubleshooting tips, and security best practices.
New to Linux? I’ve tested all the popular options so you don’t have to. Here are the best beginner Linux distros for 2026, ranked honestly — no fluff.
Learn the crucial difference between systemctl restart and reload commands. Discover when to use each for zero-downtime updates and proper Linux service management.
Learn how to create and manage Linux bash aliases to speed up your terminal. Practical examples for navigation, safety, system admin, and networking shortcuts.
Learn how to use logrotate in Linux to automate log rotation, prevent disk space disasters, and keep your servers running smoothly. Step-by-step guide with examples.
Learn how to check memory usage in Linux using free, top, htop, and vmstat. Understand what the numbers mean, when to worry, and how to troubleshoot memory issues.
Learn how to use sysctl in Linux to read, modify, and persist kernel parameters. Covers vm.swappiness, network tuning, security hardening, and /etc/sysctl.conf.
Learn how to read a balance sheet with this beginner-friendly guide. Understand assets, liabilities, equity, and key financial ratios to make smarter investment decisions.
Learn how to set up automatic backups in Linux using rsync, cron, and modern tools like Borg. Prevent data loss with this comprehensive automation guide.
Testing the best Linux IDEs of 2026: VS Code, Neovim, JetBrains, Zed, Eclipse, and Geany ranked by real performance, setup ease, and workflow fit.
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 use iotop in Linux to monitor disk I/O per process in real time. Install, read output, use key flags, and diagnose disk bottlenecks fast.
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.
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