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.
As a Linux user for over a decade, I’ve encountered my fair share of system freezes. Just last week, my Ubuntu workstation locked up completely while I was in the middle of compiling a large project. After spending hours troubleshooting and eventually resolving the issue, I realized that many Linux
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.
Learn how to write bash scripts in Linux with practical examples. Master automation, variables, loops, and best practices that every sysadmin needs to know.
Learn how to check listening ports in Linux using ss, netstat, and lsof. Master port monitoring for security and troubleshooting in 2025.
Learn how to use the dmesg command in Linux to view kernel messages, troubleshoot hardware issues, and diagnose boot problems with practical examples.
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.
Tested 6 Linux backup tools in 2026 — Restic, Borg, Kopia, Timeshift and more. Find the best Linux backup software for your homelab or server.
I’ve blown up accounts at seven different brokers. Not because I’m proud of it, but because I’m apparently a masochist who needs to test every platform personally before believing the reviews. Over the past six years, I’ve traded options on TD Ameritrade, E*TRADE, Robinhood, Tastyworks, Interactive Brokers, Webull, and Fidelity.
Should you max out 401k or pay off debt first? Learn the exact sequence that works, common mistakes that cost thousands, and how to make the right choice for your situation.
Master Bitcoin ETF investing in 2025 with proven allocation strategies, tax advantages, and expert rebalancing techniques. Learn the optimal portfolio mix that beats direct ownership.
Learn the Linux which command to find executable locations in PATH. Discover when to use which vs type vs whereis, troubleshoot conflicts with -a, and master command resolution.
Learn how to use the openssl command in Linux for certificate inspection, key generation, SSL testing, and file encryption. Complete sysadmin guide with examples.
I’m about to save you $100,000. That’s how much I lost making every single mistake on this list. Some traders are smart and learn from others’ mistakes. I’m apparently not that smart – I had to make them all personally, like some kind of masochistic completionist collecting failure achievements. The
Master the Linux date command: formatting output, date arithmetic, Unix timestamps, timezones, and real bash scripting examples for sysadmins.
Learn how to use Ansible on Linux to automate server setup with playbooks, inventories, and modules. Step-by-step guide with real examples for sysadmins.
Learn what a brokerage account is, how it works, and when you need one. Complete guide covering taxes, account types, and common mistakes beginners make with real examples.
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.
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 logrotate in Linux to automate log rotation, prevent disk space disasters, and keep your servers running smoothly. Step-by-step guide with 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 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.
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
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
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
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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