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.
Welcome to our daily blog, your daily dose of inspiration, information about cryptocurrency and financing and everything in-between. Shell & Coin is proudly sponsored by Royal Pheromones.
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 compile software from source in Linux with this step-by-step guide covering configure, make, make install, dependencies, and troubleshooting common errors.
Learn how to use journalctl in Linux to troubleshoot problems and monitor services. Master filtering by time, service, and priority with real-world examples.
Learn how to create a custom systemd service in Linux with step-by-step examples. Write unit files, enable auto-start, and debug like a pro.
Learn how to use rsync in Linux to sync files locally and remotely over SSH. Covers options, examples, automation with cron, and common mistakes to avoid.
The numbers don’t lie: America is exhausted from swiping. A 2024 Forbes Health survey found that 78% of dating app users feel “emotionally, mentally, or physically exhausted” by them per Global Dating Insights, with 79% of Gen Z reporting dating app burnout. As the digital dating landscape grows increasingly frustrating,
Compare the 5 best Linux tiling window managers in 2026 — Hyprland, Sway, i3, Niri, and dwm. I tested each for performance, config ease, and daily use.
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.
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.
Crypto staking lets you earn 3-20% APY on tokens by securing blockchain networks. Learn how staking works, the risks nobody mentions, and my personal strategy for 2025.
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
Complete Guide to Disk Partitioning in Linux for Maximum Performance (2025) If you’ve ever installed Linux or managed storage on a Linux system, you’ve likely encountered disk partitioning. While it might seem like a technical hurdle to overcome during installation, proper disk partitioning can significantly impact your system’s performance, security,
Master the tr command in Linux with practical examples, common mistakes to avoid, and real-world use cases. Learn when to use tr vs sed vs awk for text processing.
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 the vmstat command in Linux to monitor CPU, memory, swap, and I/O in real time. Includes output explanation and troubleshooting examples.
Listen up, because I’m about to save you from making the same $47,000 mistake I made when I started trading forex. You know what I did my first week? Jumped straight into trading the Turkish Lira because some jackass on YouTube said it was “volatile and full of opportunity.” Volatile?
Learn how to change timezone in Linux using timedatectl, manual symlink, and dpkg-reconfigure. Includes NTP sync, UTC best practices, and real command examples.
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 set environment variables in Linux permanently and temporarily. Master export, PATH, .bashrc, and security best practices with real examples.
Learn SSH tunneling in Linux with real command examples. Master local, remote, and dynamic port forwarding to secure your connections like a pro.
After blowing up three accounts trying to get rich quick with options, I discovered something revolutionary: boring options strategies that consistently make 2-3% per month are infinitely better than exciting strategies that make 100% once then lose 100% five times. These “safe” strategies turned my options trading from gambling into
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 install, configure, and use Docker on Linux with this comprehensive beginner guide. Includes essential commands, best practices, and troubleshooting tips.
Everyone wants to know the secret to turning $1,000 into $100,000. I’ll tell you the secret right now: Most people trying to grow small accounts fast end up with $0. I know because I’ve blown up three small accounts trying to get rich quick. $5,000 to zero. $8,000 to zero.
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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