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.
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
Learn how to check open ports in Linux with ss, netstat, lsof, and nmap. Complete guide with practical examples, troubleshooting tips, and security best practices for 2025.
Let me start by ruining the suspense: Asking if options are safer than futures is like asking if getting punched in the face is safer than getting kicked in the balls. They’re both going to hurt, just in different ways. I’ve lost money in both, made money in both, and
Learn to use Btrfs on Linux — create subvolumes, take snapshots, enable zstd compression, and run scrubs. Practical commands for every Linux admin.
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 use GPG in Linux to encrypt files, sign data, and manage keys. Complete command guide with real examples for sysadmins and beginners.
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 write bash scripts in Linux with practical examples. Master automation, variables, loops, and best practices that every sysadmin needs to know.
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 the free command in Linux to monitor memory usage, interpret available vs used memory, and avoid common mistakes. Practical examples for sysadmins.
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.
Learn how to use the chown command in Linux to change file ownership. Includes real-world examples, security tips, and troubleshooting for system administrators.
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 use firewalld in Linux to manage zones, allow services, open ports, and write rich rules. The complete guide for RHEL, Rocky, and Fedora.
Learn how to use strace command in Linux to trace system calls, debug processes, and troubleshoot performance issues. Complete guide with real-world examples.
Learn the Linux cat command with real examples: view files, concatenate, create with heredoc, and avoid the useless use of cat anti-pattern.
Let me start with a confession that’ll either make you feel better about your losses or terrified about what’s possible: I lost $100,000 in my first three years of trading. Not paper losses. Not “unrealized” losses. Cold, hard, gone-forever money. $60,000 was my savings. $40,000 was borrowed from credit cards
Master the sed command in Linux with practical examples. Learn text processing, find-and-replace operations, and real-world use cases that every sysadmin needs.
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 environment variables in Linux permanently and temporarily. Master export, PATH, .bashrc, and security best practices with real examples.
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
Learn how to install software on Linux using apt, dnf, pacman, and universal formats like Flatpak and Snap. Complete beginner-friendly guide with examples.
Learn how to install, configure, and use Docker on Linux with this comprehensive beginner guide. Includes essential commands, best practices, and troubleshooting tips.
Encountering “sudo: command not found” on Linux? Learn how to fix this error with step-by-step solutions for all distributions, from installing sudo to fixing PATH issues.
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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