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 free command in Linux to monitor memory usage, interpret available vs used memory, and avoid common mistakes. Practical examples for sysadmins.
Learn how compound interest works with real examples and calculations. Discover the Rule of 72, avoid common mistakes, and maximize your wealth with practical strategies.
Learn how to use strace command in Linux to trace system calls, debug processes, and troubleshoot performance issues. Complete guide with real-world examples.
Compare the best Linux package managers in 2026: apt, dnf, pacman, zypper, and Nix. I tested them all — here’s which one belongs on your system.
Learn how to use systemctl to manage Linux services. Master start, stop, enable, disable, and troubleshooting commands with real-world examples.
Master the grep command in Linux with practical examples. Learn essential flags, regex patterns, recursive search, and real-world sysadmin use cases.
Learn how to use htop command in Linux with this complete guide. Master process monitoring, function keys, and troubleshooting with real-world examples.
Master the Linux grep command with practical examples and real-world use cases. Learn essential options, regex patterns, and advanced techniques for searching text like a pro.
An honest review of the Tria crypto card from a self-custody advocate. Covering the up to 6% cashback, card tiers, pros and cons, and whether this cross-chain neobank card is worth it in 2025.
Learn how to use fdisk in Linux to create, delete, and manage disk partitions. Step-by-step guide covering mkfs, fstab, and partition best practices.
Learn how to schedule cron jobs in Linux with this complete guide. Includes syntax examples, common mistakes to avoid, troubleshooting tips, and real-world automation patterns.
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 use the dmesg command in Linux to view kernel messages, troubleshoot hardware issues, and diagnose boot problems with practical examples.
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.
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.
I tested the top Linux terminal emulators in 2025 — Kitty, Alacritty, WezTerm, Ghostty, and GNOME Terminal. Here is which one actually belongs in your workflow.
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.
I’ll never forget the first time I had to mount an external drive in production at 2 AM. The backup server was running out of space, and I needed to add a new disk fast. I fumbled through the mount command, second-guessing every flag, triple-checking the UUID before adding it
I tested 6 open source password managers on my Linux homelab in 2026—Bitwarden, Vaultwarden, KeePassXC, Proton Pass, and more. Here’s which one I actually kept.
Learn how to add swap space in Linux using a swap file or swap partition. Step-by-step commands, size recommendations, and swappiness tuning included.
The best Linux virtualization software in 2026, tested: Proxmox VE, KVM/QEMU, VirtualBox, GNOME Boxes, and more — ranked for homelab and enterprise use.
Troubleshooting Slow SSH Connections: A Comprehensive Guide Experiencing sluggishness with your SSH connections? It’s a common annoyance, and you’re definitely not alone. A slow SSH connection can severely impact your productivity, whether you’re managing servers, transferring files, or simply accessing remote resources. This comprehensive guide provides a systematic approach to
Learn how to use firewalld in Linux to manage zones, allow services, open ports, and write rich rules. The complete guide for RHEL, Rocky, and Fedora.
I’m gonna tell you something that’ll piss off every technical analysis guru on YouTube: Fibonacci retracement is astrology for traders. It “works” because enough idiots believe in it that it becomes a self-fulfilling prophecy. There’s zero scientific evidence that markets give a shit about mathematical ratios discovered by some Italian
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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