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.
A crypto IRA lets you invest in Bitcoin inside a tax-advantaged retirement account. Here’s how it works, what it costs, and if it’s worth it.
Learn what Curve Finance (CRV) is, how the StableSwap AMM works, what veCRV means, and why Curve became DeFi’s deepest stablecoin liquidity layer.
What is an HSA account? Learn the triple tax advantage, 2026 contribution limits, and how to use your HSA as a stealth retirement account that beats a 401k.
Learn what an expense ratio is, how it silently erodes your investment returns, and what makes a good one in 2026. Real data from ICI and Morningstar.
What is Lido Finance? Learn how stETH lets you earn ETH staking rewards without locking 32 ETH. Complete guide covering how it works, risks, fees, and DeFi use cases.
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.
Configure /etc/fstab in Linux to automate disk mounting. Learn the six fields, UUID vs device names, key mount options, and how to recover if something breaks.
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
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 an NFS server on Linux to share files across your network. Step-by-step guide for Ubuntu and RHEL with security tips and mount options.
Learn how to use Git on Linux from scratch. Install, configure, commit, branch, and push code. Practical sysadmin workflows with real command examples.
Learn to encrypt disks and partitions with LUKS on Linux using cryptsetup. Covers LUKS2 setup, key management, header backup, and auto-mount at boot.
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 check load average in Linux with uptime, top, and htop. Understand what the numbers mean, when to worry, and how to troubleshoot high load issues.
Looking for the best Linux video player in 2026? I tested 6 options—VLC, mpv, Celluloid, Haruna, SMPlayer, and Kodi—on my homelab. Here’s what works.
Learn how to use strace command in Linux to trace system calls, debug processes, and troubleshoot performance issues. Complete guide with real-world examples.
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 write bash scripts in Linux with practical examples. Master automation, variables, loops, and best practices that every sysadmin needs to know.
After losing $100,000 day trading, you know what finally made me money? Boring ass dividend stocks. I’m talking about the stocks that make watching paint dry look exciting. The ones your grandfather owned. The ones that go up 8% in a good year and nobody posts gain porn about them
Master the Linux date command: formatting output, date arithmetic, Unix timestamps, timezones, and real bash scripting examples for sysadmins.
Compare the best Linux shells in 2026 — Bash, Zsh, Fish, and Nushell. Find out which shell fits your workflow based on speed, features, and scripting needs.
Learn how to use tmux in Linux for persistent sessions, split panes, and better terminal management. Step-by-step guide with real sysadmin examples and configuration tips.
Master the Linux cut command to extract fields, columns, and characters from files. Learn syntax, practical examples, common mistakes, and when to use cut vs awk.
Complete guide to the Linux ln command with practical examples. Learn the difference between hard links and symbolic links, when to use each, and master file linking in Linux.
Learn how to check listening ports in Linux using ss, netstat, and lsof. Master port monitoring for security and troubleshooting in 2025.
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
Learn how to use Docker Compose in Linux to manage multi-container apps with one YAML file. Covers install, compose.yaml syntax, key commands, and real examples.
Learn how to use nmap in Linux for network scanning, security audits, and port discovery. Complete guide with examples, best practices, and legal considerations.
Learn how to use netstat command in Linux to monitor network connections, check listening ports, and troubleshoot network issues. Includes modern alternatives.
Master the Linux chmod command with practical examples. Learn symbolic and numeric modes, common permission patterns, and avoid security mistakes. Complete 2025 guide.
Learn how to use cron jobs in Linux with crontab syntax, real-world examples, output logging, and troubleshooting tips. Automate tasks like a pro sysadmin.
I tested 4 Linux terminal multiplexers in 2026 — tmux, Zellij, GNU Screen, and Byobu — ranked by real sysadmin workflows and homelab use.
Learn how to use nftables in Linux with real examples. Covers tables, chains, rules, and building a persistent server firewall from scratch.
Learn how to use Vim in Linux with this beginner-friendly guide. Master essential commands, modes, and navigation to edit files like a pro.
I tested 6 browsers on Linux in 2026: Firefox, Brave, LibreWolf, Vivaldi, Chromium, and Ungoogled Chromium. Here’s which one wins for privacy and speed.
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.
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.
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.
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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