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 use tmux in Linux for persistent sessions, split panes, and better terminal management. Step-by-step guide with real sysadmin examples and configuration tips.
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 fzf, the interactive fuzzy finder that transforms Linux productivity. Install, configure, and master essential workflows with real examples.
Master Linux CPU monitoring with top, htop, and mpstat. Learn to troubleshoot high CPU usage, understand load average, and identify performance bottlenecks.
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.
Master the Linux tar command with practical examples. Learn to create, extract, and compress archives using tar, gzip, and bzip2. Complete guide for beginners and sysadmins.
Learn how to check systemd service status in Linux using systemctl commands. Master troubleshooting failed services, monitoring, and managing system services effectively.
Learn how to set up automatic backups in Linux using rsync, cron, and modern tools like Borg. Prevent data loss with this comprehensive automation guide.
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 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,
Learn what a crypto wallet is, how it works, and the critical mistakes that cost beginners billions. Your complete guide to choosing and securing your first wallet.
I still remember the first time a user complained that “the internet was slow.” Fresh out of college, armed with my shiny new CS degree, I confidently ran ping and saw… perfectly fine response times. The problem? I was only checking if the destination was reachable, not where along the
Learn how to use Vim in Linux with this beginner-friendly guide. Master essential commands, modes, and navigation to edit files like a pro.
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 ping command for network troubleshooting. Learn ICMP basics, essential options, practical examples, and advanced techniques from a sysadmin with 10+ years experience.
Master the Linux grep command with practical examples and real-world use cases. Learn search techniques, regex patterns, and pro tips to find text in files efficiently.
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.
Demystifying systemd-resolved: A Comprehensive Guide to Local DNS Resolution Hey there, fellow Linux enthusiasts! Alice here, ready to dive deep into another fascinating corner of the Linux world. Today, we’re tackling systemd-resolved, a system service that provides local DNS resolution. If you’ve ever wrestled with DNS configuration, especially in complex
I learned about hedging the hard way – by not doing it. March 2020, my $200,000 portfolio dropped to $120,000 in three weeks. I just sat there watching my account bleed out like a deer in headlights. Meanwhile, my friend with a similar portfolio was actually UP money because he
Learn how to use the chown command in Linux to change file ownership. Includes real-world examples, security tips, and troubleshooting for system administrators.
Testing the best Linux IDEs of 2026: VS Code, Neovim, JetBrains, Zed, Eclipse, and Geany ranked by real performance, setup ease, and workflow fit.
Master tcpdump to capture and analyze network traffic on Linux. Learn filters, real-world examples, and troubleshooting techniques every sysadmin needs to know.
Learn what the FIRE movement is and how Financial Independence Retire Early works. Calculate your FIRE number, understand different FIRE types, and discover if retiring decades early is right for you.
Learn how to use the dmesg command in Linux to view kernel messages, troubleshoot hardware issues, and diagnose boot problems with practical examples.
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.
The biggest onchain exchange
Centralized-exchange speed, but your funds stay in your own wallet. No account, no KYC.
Try Hyperliquid