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.
Ondo Finance tokenizes US Treasuries as yield-bearing crypto tokens. Here’s how USDY, OUSG, and the ONDO token work in 2026.
Stacks (STX) brings smart contracts and DeFi to Bitcoin without changing it. Learn how Proof of Transfer, sBTC, and Stacking let you earn real BTC rewards.
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.
A 529 plan is a tax-advantaged education savings account with tax-free growth. Learn how it works, what it covers, and the 2026 rules that changed everything.
A SEP IRA lets self-employed workers contribute up to $72,000 tax-deferred in 2026. Here’s how it works, who qualifies, and how to open one today.
A certificate of deposit (CD) pays a guaranteed fixed rate for locking up your money. Learn how CDs work, current rates, types, penalties, and when to use one.
Learn how to configure Nginx as a reverse proxy on Linux. Covers proxy_pass, headers, SSL termination, WebSocket support, and security hardening with examples.
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.
Install Redis on Linux the right way — step-by-step commands for Ubuntu, Debian, and RHEL, plus security hardening and kernel tuning every sysadmin needs.
Learn how to install PostgreSQL on Linux step by step. Covers Ubuntu, Debian, and RHEL with first-login setup, user creation, and remote access config.
Install Node.js on Linux the right way — nvm, apt, or NodeSource. Step-by-step commands for Ubuntu, Debian, RHEL, and Arch. Pick the method that fits your workflow.
Learn how to install K3s on Linux in minutes — single-node and multi-node setup, kubectl access, and deploying your first workload on lightweight Kubernetes.
Learn how to use the watch command in Linux to monitor commands in real time. Real-world examples, essential options, and practical tips from 10+ years of sysadmin work.
Learn how much to save in your emergency fund with this complete guide. Expert advice on building 3-6 months expenses, where to keep it, and avoiding common mistakes.
Trading stock options represents one of the most powerful yet misunderstood tools in the financial markets. While many beginners feel intimidated by options trading, thinking it’s reserved for Wall Street professionals or math geniuses, the reality is refreshingly different. With proper education, disciplined risk management, and a systematic approach, anyone
Learn SSH tunneling in Linux with real command examples. Master local, remote, and dynamic port forwarding to secure your connections like a pro.
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
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 check Linux version and distribution using hostnamectl, /etc/os-release, and uname commands. Complete guide with practical examples for 2025.
Master Linux network interfaces with ip, nmcli, and ethtool commands. Learn to troubleshoot connectivity issues and understand network interface names.
Set up Prometheus, Node Exporter, and Grafana on Linux step by step. Get a live CPU, RAM, and disk monitoring dashboard in under 30 minutes.
Master the Linux ping command for network troubleshooting. Learn ICMP basics, essential options, practical examples, and advanced techniques from a sysadmin with 10+ years experience.
Learn DeFi yield farming from someone who lost $100k before figuring it out. Real strategies for 30-40% APY, risk management, and the protocols that actually work in 2025.
Learn how to install software on Linux using apt, dnf, pacman, and universal formats like Flatpak and Snap. Complete beginner-friendly guide with examples.
Help! My Linux Disk is Full! A Step-by-Step Guide to Finding and Freeing Up Space It’s a feeling many Linux users, sysadmins, and developers know all too well: you’re working along, deploying a new application, compiling code, or just letting your server run, when suddenly… alerts start firing. Performance degrades.
Learn how to install Let’s Encrypt SSL on Linux with Certbot for Nginx. Get a free certificate, set up auto-renewal, and secure your server in minutes.
Looking for the best Linux email client in 2026? I tested 6 options on my homelab — from Thunderbird to NeoMutt. Here’s which one fits your workflow.
Learn what a high yield savings account is and how it earns 10-15x more than traditional banks. Real examples, FDIC insurance explained, and setup guide for 2025.
I’ve lost count of how many times the sort command has pulled me out of a tight spot. Whether I’m analyzing server logs, cleaning up configuration files, or just trying to make sense of a CSV export, sort is one of those commands that seems simple until you need it
Learn how to create and manage systemd timers in Linux — a powerful cron alternative with better logging, dependency support, and missed-run recovery.
Learn how to edit the sudoers file in Linux using visudo, grant precise sudo permissions, use NOPASSWD, and avoid common misconfigurations that lock you out.
Margin trading is like alcohol – a little bit can make the party more fun, too much will ruin your life, and some people shouldn’t touch it at all. I learned this after getting margin called three times, losing $50,000, and nearly destroying my marriage. But then I learned to
Learn how to check hostname in Linux using hostname, hostnamectl, and configuration files. Master FQDN lookups and hostname management for better server administration.
My Server Felt Slow: A Deep Dive into Troubleshooting Linux CPU Usage with htop and perf Hey everyone, Alice here! Grab your favorite coffee (or tea!), settle in, because today we’re diving into something that gives many Linux users, including myself occasionally, a bit of a headache: the dreaded high
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.
Learn how to use the Linux diff command to compare files and configs. Covers output reading, key flags, directory comparison, and the diff+patch workflow.
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.
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.
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.
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.
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